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  Subjects -> SCIENCES: COMPREHENSIVE WORKS (Total: 374 journals)
Showing 201 - 265 of 265 Journals sorted by number of followers
Quantum Science and Technology     Hybrid Journal   (Followers: 17)
Logo STI Science, Technology and Innovation     Open Access   (Followers: 15)
Alfarama Journal of Basic & Applied Sciences     Open Access   (Followers: 12)
Patterns     Open Access   (Followers: 9)
Revista de la Sociedad Científica del Paraguay     Open Access   (Followers: 7)
RAC: Revista Angolana de Ciências     Open Access   (Followers: 7)
Research     Open Access   (Followers: 6)
The Innovation     Open Access   (Followers: 6)
Advanced Theory and Simulations     Hybrid Journal   (Followers: 5)
Frontiers in Climate     Open Access   (Followers: 5)
Discover Sustainability     Open Access   (Followers: 5)
Proceedings of the Indian National Science Academy     Full-text available via subscription   (Followers: 5)
International Journal of Culture and Modernity     Open Access   (Followers: 5)
History of Science and Technology     Open Access   (Followers: 5)
Data     Open Access   (Followers: 4)
Science & Technology Studies     Open Access   (Followers: 4)
Journal of the Indian Institute of Science     Hybrid Journal   (Followers: 4)
Journal of Big History     Open Access   (Followers: 4)
MUST : Journal of Mathematics Education, Science and Technology     Open Access   (Followers: 4)
Journal of Composites Science     Open Access   (Followers: 4)
People and Nature     Open Access   (Followers: 4)
Middle European Scientific Bulletin     Open Access   (Followers: 4)
Citizen Science : Theory and Practice     Open Access   (Followers: 3)
Research Policy : X     Open Access   (Followers: 3)
Revista Saber Digital     Open Access   (Followers: 3)
iScience     Open Access   (Followers: 2)
Applied Mathematics and Nonlinear Sciences     Open Access   (Followers: 2)
Acta Nova     Open Access   (Followers: 2)
Indonesian Journal of Science and Mathematics Education     Open Access   (Followers: 2)
Rekayasa     Open Access   (Followers: 2)
Indian Journal of History of Science     Hybrid Journal   (Followers: 2)
Jaunujų mokslininkų darbai     Open Access   (Followers: 2)
Journal of Alasmarya University     Open Access   (Followers: 2)
BJHS Themes     Open Access   (Followers: 2)
Orbis Cógnita : Revista Científica     Open Access   (Followers: 2)
Revista Científica de la Universidad Nacional del Este     Open Access   (Followers: 2)
Scientific Bulletin     Open Access   (Followers: 1)
Global Journal of Science Frontier Research     Open Access   (Followers: 1)
Impact     Open Access   (Followers: 1)
International Journal of Research in Science     Open Access   (Followers: 1)
Journal of Science and Technology     Open Access   (Followers: 1)
Uluslararası Bilimsel Araştırmalar Dergisi (IBAD)     Open Access   (Followers: 1)
Acta Scientifica Malaysia     Open Access   (Followers: 1)
Scientonomy : Journal for the Science of Science     Open Access   (Followers: 1)
Revista Vivências em Ensino de Ciências     Open Access   (Followers: 1)
PENDIPA : Journal of Science Education     Open Access   (Followers: 1)
Journal of Science and Engineering     Open Access   (Followers: 1)
International Journal of Innovative Research and Scientific Studies     Open Access   (Followers: 1)
Futures & Foresight Science     Hybrid Journal   (Followers: 1)
Journal of Scientific Research and Reports     Open Access   (Followers: 1)
AAS Open Research     Open Access   (Followers: 1)
ARPHA Conference Abstracts     Open Access   (Followers: 1)
Rihan Journal for Scientific Publishing     Open Access   (Followers: 1)
Experimental Results     Open Access   (Followers: 1)
Natural Sciences Education     Hybrid Journal   (Followers: 1)
South American Sciences     Open Access   (Followers: 1)
International Science and Technology Journal of Namibia     Open Access   (Followers: 1)
Fundamental Research     Open Access  
Research Integrity and Peer Review     Open Access  
Journal of Responsible Technology     Open Access  
Natural Sciences     Open Access  
Türk Bilim ve Mühendislik Dergisi     Open Access  
ArtefaCToS : Revista de estudios sobre la ciencia y la tecnología     Open Access  
Ethiopian Journal of Sciences and Sustainable Development     Open Access  
Vilnius University Proceedings     Open Access  
Sciential     Open Access  
ARPHA Proceedings     Open Access  
Gaudium Sciendi     Open Access  
Crea Ciencia Revista Científica     Open Access  
Rafidain Journal of Science     Open Access  
Journal of Al-Qadisiyah for Pure Science     Open Access  
Revista Tecnológica     Open Access  
Himalayan Journal of Science and Technology     Open Access  
International Journal of Academic Research in Business, Arts & Science     Open Access  
Universidad, Ciencia y Tecnología     Open Access  
Fides et Ratio : Revista de Difusión Cultural y Científica     Open Access  
Revista de la Academia Colombiana de Ciencias Exactas, Físicas y Naturales     Open Access  
Entre Ciencia e Ingeniería     Open Access  
Revista Politécnica     Open Access  
Reportes Científicos de la FaCEN     Open Access  
Jurnal Ilmiah Ilmu Terapan Universitas Jambi : JIITUJ     Open Access  
Revista Eletrônica Ludus Scientiae     Open Access  
Emergent Scientist     Open Access  
Asian Journal of Advanced Research and Reports     Open Access  
Archives of Current Research International     Open Access  
Advances in Research     Open Access  
International Journal of Applied Science     Open Access  
Iranian Journal of Science and Technology, Transactions A : Science     Hybrid Journal  
J : Multidisciplinary Scientific Journal     Open Access  
Revista Binacional Brasil - Argentina: Diálogo entre as ciências     Open Access  
Revista Ciencia y Tecnología     Open Access  
Journal of Institute of Science and Technology     Open Access  
Journal of Science (JSc)     Open Access  
WikiJournal of Science     Open Access  
Acta Materialia Transilvanica     Open Access  
Integrated Research Advances     Open Access  
Open Conference Proceedings Journal     Open Access  
Naturen     Full-text available via subscription  
Ekaia : EHUko Zientzia eta Teknologia aldizkaria     Open Access  
Sci     Open Access  
Maskana     Open Access  
Hoosier Science Teacher     Open Access  
Reports in Advances of Physical Sciences     Open Access  
Facets     Open Access  
Adıyaman University Journal of Science     Open Access  
Revista Brasileira de Iniciação Científica     Open Access  
Communications Faculty of Sciences University of Ankara Series A2-A3 Physical Sciences and Engineering     Open Access  
Scientific African     Open Access  
Scientific Journal of Mehmet Akif Ersoy University     Open Access  
Black Sea Journal of Engineering and Science     Open Access  
Fırat University Turkish Journal of Science & Technology     Open Access  
Gazi University Journal of Science     Open Access  
Middle East Journal of Science     Open Access  
International Journal of Computational and Experimental Science and Engineering (IJCESEN)     Open Access  
International Journal of Engineering, Technology and Natural Sciences     Open Access  
Bulletin of the National Research Centre     Open Access  
Uni-pluriversidad     Open Access  
ConCiencia     Open Access  
Ciencia y Tecnología     Open Access  
Revista Bases de la Ciencia     Open Access  
Elkawnie : Journal of Islamic Science and Technology     Open Access  
Ciência ET Praxis     Open Access  
Arab Journal of Basic and Applied Sciences     Open Access  
International Annals of Science     Open Access  
Science Heritage Journal     Open Access  
Bilge International Journal of Science and Technology Research     Open Access  
Avrasya Terim Dergisi     Open Access  
International Scientific and Vocational Studies Journal     Open Access  
TÜBAV Bilim Dergisi     Open Access  
LOGIKA Jurnal Ilmiah Lemlit Unswagati Cirebon     Open Access  
Dalat University Journal of Science     Open Access  
Investiga : TEC     Open Access  
Investigación Joven     Open Access  
Respuestas     Open Access  
Science Diliman     Open Access  
Instruments     Open Access  
Revista Científica y Tecnológica UPSE     Open Access  
HardwareX     Open Access  
Sultan Qaboos University Journal for Science     Open Access  
Borneo Journal of Resource Science and Technology     Open Access  
Sainstek : Jurnal Sains dan Teknologi     Open Access  
Revista de Información Científica     Open Access  
Indonesian Journal of Fundamental Sciences     Open Access  
Sainteknol : Jurnal Sains dan Teknologi     Open Access  
Jurnal Natural     Open Access  
Frontiers for Young Minds     Open Access  
Revista Ciência, Tecnologia & Ambiente     Open Access  
Journal of Indian Council of Philosophical Research     Hybrid Journal  
Journal of Negative and No Positive Results     Open Access  
Revista Conhecimento Online     Open Access  
Nova     Open Access  
CienciaUAT     Open Access  
Enseñanza de las Ciencias : Revista de Investigación y Experiencias Didácticas     Open Access  
Makara Journal of Science     Open Access  
Jurnal Sains Dasar     Open Access  
Indonesian Journal of Science and Technology     Open Access  
Ethiopian Journal of Science and Technology     Open Access  
Jurnal Matematika, Sains, Dan Teknologi     Open Access  
Heidelberger Jahrbücher Online     Open Access  
ARO. The Scientific Journal of Koya University     Open Access  
International Journal of Recent Contributions from Engineering, Science & IT     Open Access  
Estação Científica (UNIFAP)     Open Access  
The Winnower     Open Access  

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Jurnal Natural
Number of Followers: 0  

  This is an Open Access Journal Open Access journal
ISSN (Print) 1411-8513 - ISSN (Online) 2541-4062
Published by Universitas Syiah Kuala Homepage  [19 journals]
  • Isolation of active compound as anti acne from ethanol extract Artocarpus
           camansi leaves

    • Authors: AZALIA IZDHIHAR AZWAR, MUHAMMAD BAHI, ROSNANI NASUTION, NURDIN NURDIN, MARIANNE MARIANNE
      Pages: 1 - 8
      Abstract: Acne vulgaris or acne is a chronic inflammatory skin disease in adolescents and adults affecting one self-confidence. The result of the research shows the ethanol extract, subfraction, pure isolate, and gel extract of Artocarpus camansi are active in inhibiting the growth of Propionibacterium acnes. The ethanol extract with the highest inhibition zone was at the concentration of 0.5 and 2% with 9.1±0.62 mm and 8.5±0.7 mm with the activity of 47.07% and 43% respectively (in comparison with the chloramphenicol 30 μg 19.33±0.47mm). The gel extract had the highest activity at 2%, with an inhibition zone of 8±0.50 mm and the activity of 43.97%. Anti-acne activity for all subfractions had an activity of 32.5-33.3% while the pure isolate was at 42.10 - 45.63%. Physical properties of the gel extract were evaluated for four weeks by examining the pH test obtained with a range of 5.8-6.7, viscosity in the range of 18460-19668 cP, spreadability in the range of 5.45-7.20 cm, adhesion observation above 4 seconds, and homogeneity in a concentration of 0.5-7.5%. The pure isolate has a melting point of 147 ℃, presumed to be γ-sitosterol and appropriate with the screening phytochemicals results with the presence of steroid.
      PubDate: 2023-03-12
      DOI: 10.24815/jn.v23i1.27036
      Issue No: Vol. 23, No. 1 (2023)
       
  • Study on the performance of Robust LASSO in determining important
           variables data with outliers

    • Authors: ROCHYATI ROCHYATI, KUSMAN SADIK, BAGUS SARTONO, EVITA PURNANINGRUM
      Pages: 9 - 15
      Abstract: A variable selection method is required to deal with regression models with many variables, and LASSO has been the most widely used methodology.  However, as several authors have noted, LASSO is sensitive to outliers in the data.  For this reason, the Robust-LASSO approach was introduced by applying some weighting schemes for each sample in the data.  This research presented a comparative study of the three weighting schemes in Robust LASSO, namely Huber-LASSO, Tukey-LASSO, and Welsch-LASSO.  The study did a rich simulation containing many scenarios with various characteristics on the covariance structures of the explanatory variable, the types of outliers, the number of outliers, the location of active variables, and the number of variables.  The study then found that Tukey-LASSO outperformed Huber-LASSO and Welsch-LASSO in identifying significant variables.  The Robust LASSO performance generally decreased as the covariances among explanatory variables increased and the data dimension increased.  Exploration of sembung leaf extract data shows that the data is high dimensional data which contains outliers of about 14,28% on the response variable and about 25,71% on the explanatory variables.  Based on the research, the number of variables selected using the Tukey-LASSO method was nine compounds, Huber-LASSO and Welsch-LASSO were eight compounds, and LASSO 13 compounds.  The Tukey-LASSO prediction accuracy is superior to the other three methods.
      PubDate: 2023-03-12
      DOI: 10.24815/jn.v23i1.26279
      Issue No: Vol. 23, No. 1 (2023)
       
  • Daily behavior and interaction of cats (Felis catus) with humans at a
           canteen in IPB University

    • Authors: LIZA MAHERA, ASTUTI LATIF, SITI SARI AZYATI, HANNY RAMADHANTI, KANTHI ARUM WIDAYATI
      Pages: 16 - 20
      Abstract: Understanding feral cat behavior can be one of the aspects that is necessary for proper management and taking policy action in controlling the cat population. This study aimed to observe the daily activities of feral cats and see the correlation between the number of visitors on cat-to-human interaction at a canteen in IPB University. Observation of cat’s daily behavior was conducted by scan sampling method and cats’ interaction with humans was conducted by ad libitum sampling. Our results showed that self-care (66.27%) dominated the daily behavior of cats followed by negative behavior (20.83%) and affiliative behavior (12.9%). Correlation test showed there was a significant negative correlation between the number of visitors and frequency of affiliative behavior (p = 0.024). The number of visitors also shows a positive correlation to self-care (p = 0.034). No significant correlation between the number of visitors and negative encounters behavior (p = 0.27). The highest frequency value of cat-human interaction was approaching human (A) 28.15%, followed by vocalization (MV) 28.15% and eye contact (KM) 22.71%. Cat-human interaction behavior did not significantly correlate with the number of visitors (p >0.05). Our result implies that the feral cat’s use the canteen as a place to rest, not a place to find food and daily activities and human-cat interactions were specific for each study site. Therefore, in the management of feral cats, it was necessary to pay attention to the conditions of their respective habitats.
      PubDate: 2023-03-12
      DOI: 10.24815/jn.v23i1.26515
      Issue No: Vol. 23, No. 1 (2023)
       
  • Application of Poisson and negative binomials models to estimate the
           frequency of insurance claims

    • Authors: RINI OKTAVIA, RAHMA ZUHRA, HAFNANI HAFNANI, NURMAULIDAR NURMAULIDAR, INTAN SYAHRINI
      Pages: 21 - 27
      Abstract: Generalized Linear Models (GLMs) are a modeling approach that allows the modeling of nonlinear behaviors and non-Gaussian distributions of residues. This approach is very useful for general insurance analysis, where the frequency of claims and the amount of claims distributions are usually non-Gaussian. In this article, the application of Poisson and Negative Binomial models to estimate the frequency of claims of auto insurance is discussed. The accuracy of the models was compared to choose the best model for determining pure insurance premiums using R software. The data used are a secondary dataset which is the motor vehicle insurance dataset from Sweden named dataOhlsson and the motor vehicle dataset from Australia named ausprivauto0405. The results of the exploration of the GLMs model are that Poisson's GLM and Negative Binomial models both are suitable models for estimating the number of claims for the dataOhlsson dataset. Both models have relatively similar parameter estimates, as well as the AIC and BIC values for the dataOhlsson dataset, however, both models are not suitable for estimating the number of claims for the ausprivauto0405 dataset. More investigation using different models is needed to ensure which model is more appropriate for estimating the frequency of insurance claims.
      PubDate: 2023-03-12
      DOI: 10.24815/jn.v23i1.26623
      Issue No: Vol. 23, No. 1 (2023)
       
  • Empirical model for the estimation of global solar radiation in the Aceh
           Besar Regency, Aceh

    • Authors: MUHAMMAD IRFAN ISLAMI, NAZLI ISMAIL, ISMAIL ISMAIL, DEA RIMASILANA
      Pages: 28 - 34
      Abstract: Solar energy plays an important role in the temperature distribution on the Earth's surface and essential energy that sustains life for human. In the calculation of solar energy, the limitation of solar radiation data is a major obstacle. Solar radiation data is very limited at some observation stations due to the costly procurement of measuring instruments and complicated techniques. Estimation of global solar radiation using empirical models is one way to overcome the limitations of global solar radiation data at various locations. This study built the Angstrom-Prescott model to estimate global solar radiation based on the sunshine duration’s parameter in Aceh Besar Regency. Two years (2019-2020) global solar radiation and sunshine duration data from Aceh Climatological Station were used to estimate global solar radiation in 2021. Data for 2021 was using to evaluated the equation H/H0=0.28+0.22 (n/N), the results showed good model accuracy with an RMSE value of 0.052 and a MAPE of 11% (good forecasting). The model equation has been reliable to calculate solar radiation in four locations in Aceh Besar Regency.
      PubDate: 2023-03-12
      DOI: 10.24815/jn.v23i1.28697
      Issue No: Vol. 23, No. 1 (2023)
       
  • Thermal and physical properties of CNF/glutaraldehyde-gelatin-based
           hydrogel

    • Authors: ROSLIANA LUBIS, SRI WAHYUNA SARAGIH, WARDATUL HUSNA IRHAM, AJMAIN AJMAIN, SAISA SAISA
      Pages: 35 - 40
      Abstract: The use of hydrogel as a wound dressing material is currently being massively developed. In addition to functioning to protect wounds, the use of hydrogel can also provide moisture in a measured manner and can be used as a drug delivery medium. In this study, hydrogel based on CNF and glutaraldehyde crosslinking agent and addition of gelatin were developed with various compositions 0.25; 0.5; 0.75 g to increase the ability of CNF and hydrogel to absorb water so that it is good to be applied as a wound dressing. The composting of the three materials aims to obtain a hydrogel with good thermal and physical properties. Based on physical character for a good ratio of swelling (666,62%) and degree of cross-linking (94%) on the hydrogel with a composition variation of 0.5 g of CNF addition. For the thermal stability of hydrogel var 2, TMax 591oC provides better thermal stability than var 1 and var 3. The morphology of hydrogel shows very small and evenly distributed pores on the surface which can absorb more water.
      PubDate: 2023-03-12
      DOI: 10.24815/jn.v23i1.29935
      Issue No: Vol. 23, No. 1 (2023)
       
  • The effect of brewing time herbal tea from mother-in-law’s tongue leaves
           (Sansevieria trifasciata Prain) on total phenol, total flavonoid, and
           antioxidant activity

    • Authors: MAYA PRATIWI HUTABARAT, ZULKIFLI LUBIS, JANSEN SILALAHI
      Pages: 41 - 46
      Abstract: Indonesia is a tropical country known for its biodiversity, one of which is the mother-in-law’s tongue (Sansevieria trifasciata Prain). Mother-in-law’s tongue leaves extract contains bioactive compounds, such as triterpenoids, steroids, and flavonoids and tradionally used especially as antidiabetics. The phenolic and flavonoid compounds in mother-in-law’s tongue are potential antioxidants, and usually processed into herbal tea. This research aimed to determine the effect of duration brewing time herbal tea from mother-in-law’s tongue leaves (Sansevieria trifasciata Prain) on total phenol, total flavonoid, and antioxidant activity. This study using Completely Randomized Designed (CRD) with 5 treatments (different brewing time that were 1, 3, 6, 9, 12 minutes) and 3 replications. The result showed that brewing time had a significant effect on total phenol, total flavonoid, and antioxidant activity.  The optimum of brewing time herbal tea from mother-in-law’s tongue leaves is 6 minutes.
      PubDate: 2023-03-12
      DOI: 10.24815/jn.v23i1.28329
      Issue No: Vol. 23, No. 1 (2023)
       
  • Antiseptic activity assay of ethanolic extract of Aceh’s rambutan rind
           (Nephelium lappaceum L.) against Staphylococcus aureus and its formulation
           as hand sanitizer gel

    • Authors: IRMA SARI, MEUTIA FARADILLA, RISKA ANANDA PUTRI
      Pages: 47 - 52
      Abstract: The hands are one of the most susceptible parts of the human body to bacterial infection. One way to maintain health is to maintain hand hygiene. Ethanolic rambutan rind extract from Aceh province has been studied in order to determine if it can inhibit bacterial growth. This research was conducted to determine the antiseptic activity of the ethanol extract of rambutan rind against Stahpylococcus aureus by determining the phenol coefficient and determining whether the ethanolic extract of Aceh’s rambutan rind can be formulated into a hand sanitizer gel. Antiseptic activity testing was performed using the Rideal-Walker method which was carried out in 5 dilutions (1:100, 1:150, 1:200, 1:250 and 1:300). The absorbance measurement showed that the extract could act as an antiseptic, at a concentration of 1% and at a dilution of 1:200 which has phenol coefficient of 1.67. The ethanolic extract of Aceh’s rambutan rind can be formulated in the form of a hand sanitizer gel using 1% Carbopol as gelling agent. The results showed that the gel was brown with a distinctive menthol odor and changed into a dark brown color after a cycling test. The evaluation results of all formulas appropriated the requirements except for adhesion parameter. The results of the irritation test showed that the volunteers did not experience any signs of irritation. The results of the preference test showed that the respondents liked the shape and aroma parameters but not the color parameter.
      PubDate: 2023-03-12
      DOI: 10.24815/jn.v23i1.20412
      Issue No: Vol. 23, No. 1 (2023)
       
  • Isolation and characterization of polyhydroxyalkanoate (PHA) producing
           bacteria isolate from landfill land of Kampung Jawa Banda Aceh

    • Authors: MAZWAN MAZWAN, FEBRIANI FEBRIANI, NAZARUDDIN NAZARUDDIN
      Pages: 53 - 61
      Abstract: The production of biodegradable plastic from microorganisms has great potential as a substitute for conventional plastic. This study aims to isolate bacterial strains capable of polyhydroxyalkanoates (PHAs) production from the Kampung Jawa landfill land (KJLL) and characterize biopolymers. The bacterial strains were able to produce PHA using a mineral salt medium (MSM) with glucose as a carbon source. The qualitative screening of PHA-producing bacteria was conducted by Sudan Black and Nile Red. Of the 64 bacteria strains, only 41 were able to accumulate PHA in Sudan Black and Nile Red. The results showed that one bacteria the Coccobacillus strain had the highest color intensity for further characterization of PHA. The characterization of PHA by Differential Scanning Calorimetry (DSC) and Thermogravimetric Analysis (TGA) showed a melting temperature (Tm) of 101.54°C. X-ray diffraction (XRD) analysis revealed a crystalline structure with an index crystallinity (ICr) value of 15.82% for PHA. The results of the analysis proved that PHA was produced by bacteria isolate. This study suggests that this is the first report of the bacteria from the Kampung Jawa landfill producing PHA with good characteristics and potential biotechnology applications. 
      PubDate: 2023-03-12
      DOI: 10.24815/jn.v23i1.29746
      Issue No: Vol. 23, No. 1 (2023)
       
 
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  Subjects -> SCIENCES: COMPREHENSIVE WORKS (Total: 374 journals)
Showing 201 - 265 of 265 Journals sorted by number of followers
Quantum Science and Technology     Hybrid Journal   (Followers: 17)
Logo STI Science, Technology and Innovation     Open Access   (Followers: 15)
Alfarama Journal of Basic & Applied Sciences     Open Access   (Followers: 12)
Patterns     Open Access   (Followers: 9)
Revista de la Sociedad Científica del Paraguay     Open Access   (Followers: 7)
RAC: Revista Angolana de Ciências     Open Access   (Followers: 7)
Research     Open Access   (Followers: 6)
The Innovation     Open Access   (Followers: 6)
Advanced Theory and Simulations     Hybrid Journal   (Followers: 5)
Frontiers in Climate     Open Access   (Followers: 5)
Discover Sustainability     Open Access   (Followers: 5)
Proceedings of the Indian National Science Academy     Full-text available via subscription   (Followers: 5)
International Journal of Culture and Modernity     Open Access   (Followers: 5)
History of Science and Technology     Open Access   (Followers: 5)
Data     Open Access   (Followers: 4)
Science & Technology Studies     Open Access   (Followers: 4)
Journal of the Indian Institute of Science     Hybrid Journal   (Followers: 4)
Journal of Big History     Open Access   (Followers: 4)
MUST : Journal of Mathematics Education, Science and Technology     Open Access   (Followers: 4)
Journal of Composites Science     Open Access   (Followers: 4)
People and Nature     Open Access   (Followers: 4)
Middle European Scientific Bulletin     Open Access   (Followers: 4)
Citizen Science : Theory and Practice     Open Access   (Followers: 3)
Research Policy : X     Open Access   (Followers: 3)
Revista Saber Digital     Open Access   (Followers: 3)
iScience     Open Access   (Followers: 2)
Applied Mathematics and Nonlinear Sciences     Open Access   (Followers: 2)
Acta Nova     Open Access   (Followers: 2)
Indonesian Journal of Science and Mathematics Education     Open Access   (Followers: 2)
Rekayasa     Open Access   (Followers: 2)
Indian Journal of History of Science     Hybrid Journal   (Followers: 2)
Jaunujų mokslininkų darbai     Open Access   (Followers: 2)
Journal of Alasmarya University     Open Access   (Followers: 2)
BJHS Themes     Open Access   (Followers: 2)
Orbis Cógnita : Revista Científica     Open Access   (Followers: 2)
Revista Científica de la Universidad Nacional del Este     Open Access   (Followers: 2)
Scientific Bulletin     Open Access   (Followers: 1)
Global Journal of Science Frontier Research     Open Access   (Followers: 1)
Impact     Open Access   (Followers: 1)
International Journal of Research in Science     Open Access   (Followers: 1)
Journal of Science and Technology     Open Access   (Followers: 1)
Uluslararası Bilimsel Araştırmalar Dergisi (IBAD)     Open Access   (Followers: 1)
Acta Scientifica Malaysia     Open Access   (Followers: 1)
Scientonomy : Journal for the Science of Science     Open Access   (Followers: 1)
Revista Vivências em Ensino de Ciências     Open Access   (Followers: 1)
PENDIPA : Journal of Science Education     Open Access   (Followers: 1)
Journal of Science and Engineering     Open Access   (Followers: 1)
International Journal of Innovative Research and Scientific Studies     Open Access   (Followers: 1)
Futures & Foresight Science     Hybrid Journal   (Followers: 1)
Journal of Scientific Research and Reports     Open Access   (Followers: 1)
AAS Open Research     Open Access   (Followers: 1)
ARPHA Conference Abstracts     Open Access   (Followers: 1)
Rihan Journal for Scientific Publishing     Open Access   (Followers: 1)
Experimental Results     Open Access   (Followers: 1)
Natural Sciences Education     Hybrid Journal   (Followers: 1)
South American Sciences     Open Access   (Followers: 1)
International Science and Technology Journal of Namibia     Open Access   (Followers: 1)
Fundamental Research     Open Access  
Research Integrity and Peer Review     Open Access  
Journal of Responsible Technology     Open Access  
Natural Sciences     Open Access  
Türk Bilim ve Mühendislik Dergisi     Open Access  
ArtefaCToS : Revista de estudios sobre la ciencia y la tecnología     Open Access  
Ethiopian Journal of Sciences and Sustainable Development     Open Access  
Vilnius University Proceedings     Open Access  
Sciential     Open Access  
ARPHA Proceedings     Open Access  
Gaudium Sciendi     Open Access  
Crea Ciencia Revista Científica     Open Access  
Rafidain Journal of Science     Open Access  
Journal of Al-Qadisiyah for Pure Science     Open Access  
Revista Tecnológica     Open Access  
Himalayan Journal of Science and Technology     Open Access  
International Journal of Academic Research in Business, Arts & Science     Open Access  
Universidad, Ciencia y Tecnología     Open Access  
Fides et Ratio : Revista de Difusión Cultural y Científica     Open Access  
Revista de la Academia Colombiana de Ciencias Exactas, Físicas y Naturales     Open Access  
Entre Ciencia e Ingeniería     Open Access  
Revista Politécnica     Open Access  
Reportes Científicos de la FaCEN     Open Access  
Jurnal Ilmiah Ilmu Terapan Universitas Jambi : JIITUJ     Open Access  
Revista Eletrônica Ludus Scientiae     Open Access  
Emergent Scientist     Open Access  
Asian Journal of Advanced Research and Reports     Open Access  
Archives of Current Research International     Open Access  
Advances in Research     Open Access  
International Journal of Applied Science     Open Access  
Iranian Journal of Science and Technology, Transactions A : Science     Hybrid Journal  
J : Multidisciplinary Scientific Journal     Open Access  
Revista Binacional Brasil - Argentina: Diálogo entre as ciências     Open Access  
Revista Ciencia y Tecnología     Open Access  
Journal of Institute of Science and Technology     Open Access  
Journal of Science (JSc)     Open Access  
WikiJournal of Science     Open Access  
Acta Materialia Transilvanica     Open Access  
Integrated Research Advances     Open Access  
Open Conference Proceedings Journal     Open Access  
Naturen     Full-text available via subscription  
Ekaia : EHUko Zientzia eta Teknologia aldizkaria     Open Access  
Sci     Open Access  
Maskana     Open Access  
Hoosier Science Teacher     Open Access  
Reports in Advances of Physical Sciences     Open Access  
Facets     Open Access  
Adıyaman University Journal of Science     Open Access  
Revista Brasileira de Iniciação Científica     Open Access  
Communications Faculty of Sciences University of Ankara Series A2-A3 Physical Sciences and Engineering     Open Access  
Scientific African     Open Access  
Scientific Journal of Mehmet Akif Ersoy University     Open Access  
Black Sea Journal of Engineering and Science     Open Access  
Fırat University Turkish Journal of Science & Technology     Open Access  
Gazi University Journal of Science     Open Access  
Middle East Journal of Science     Open Access  
International Journal of Computational and Experimental Science and Engineering (IJCESEN)     Open Access  
International Journal of Engineering, Technology and Natural Sciences     Open Access  
Bulletin of the National Research Centre     Open Access  
Uni-pluriversidad     Open Access  
ConCiencia     Open Access  
Ciencia y Tecnología     Open Access  
Revista Bases de la Ciencia     Open Access  
Elkawnie : Journal of Islamic Science and Technology     Open Access  
Ciência ET Praxis     Open Access  
Arab Journal of Basic and Applied Sciences     Open Access  
International Annals of Science     Open Access  
Science Heritage Journal     Open Access  
Bilge International Journal of Science and Technology Research     Open Access  
Avrasya Terim Dergisi     Open Access  
International Scientific and Vocational Studies Journal     Open Access  
TÜBAV Bilim Dergisi     Open Access  
LOGIKA Jurnal Ilmiah Lemlit Unswagati Cirebon     Open Access  
Dalat University Journal of Science     Open Access  
Investiga : TEC     Open Access  
Investigación Joven     Open Access  
Respuestas     Open Access  
Science Diliman     Open Access  
Instruments     Open Access  
Revista Científica y Tecnológica UPSE     Open Access  
HardwareX     Open Access  
Sultan Qaboos University Journal for Science     Open Access  
Borneo Journal of Resource Science and Technology     Open Access  
Sainstek : Jurnal Sains dan Teknologi     Open Access  
Revista de Información Científica     Open Access  
Indonesian Journal of Fundamental Sciences     Open Access  
Sainteknol : Jurnal Sains dan Teknologi     Open Access  
Jurnal Natural     Open Access  
Frontiers for Young Minds     Open Access  
Revista Ciência, Tecnologia & Ambiente     Open Access  
Journal of Indian Council of Philosophical Research     Hybrid Journal  
Journal of Negative and No Positive Results     Open Access  
Revista Conhecimento Online     Open Access  
Nova     Open Access  
CienciaUAT     Open Access  
Enseñanza de las Ciencias : Revista de Investigación y Experiencias Didácticas     Open Access  
Makara Journal of Science     Open Access  
Jurnal Sains Dasar     Open Access  
Indonesian Journal of Science and Technology     Open Access  
Ethiopian Journal of Science and Technology     Open Access  
Jurnal Matematika, Sains, Dan Teknologi     Open Access  
Heidelberger Jahrbücher Online     Open Access  
ARO. The Scientific Journal of Koya University     Open Access  
International Journal of Recent Contributions from Engineering, Science & IT     Open Access  
Estação Científica (UNIFAP)     Open Access  
The Winnower     Open Access  

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