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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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Journal Cover
Ethiopian Journal of Science and Technology
Number of Followers: 0  

  This is an Open Access Journal Open Access journal
ISSN (Print) 2312-6019
Published by African Journals Online Homepage  [260 journals]
  • Green synthesis of zinc oxide from aqueous fruit extract of Dovyalis
           abyssinica (Koshem) and application for water purification

    • Authors: Mekuriaw Assefa Kebede, Tessera Alemneh Wubieneh, Yonas Beyene Yohannes, Kinjal J. Shah
      Pages: 1 - 12
      Abstract: This article reports the green synthesis of ZnO nanoparticles using an endemic plant called Dovyalis abyssinica, locally known as Koshem, for the degradation of malachite green dye in photocatalytic process. An aqueous extract from the ripe fruits of the plant was incorporated into the sol-gel synthesis process to obtain ZnO NPs with the size of 17 nm. XRD data and UV-Vis absorption at 390 nm confirmed that the synthesis was successful. In addition, the FTIR result showed a characteristic absorption peak at 543 cm-1 for the presence of Zn-O stretching and additional peaks also appeared from the plant source, suggesting that the natural functionalities are present together on ZnO particles as a capping agent. The ZnO NPs produced were used as a photocatalyst to degrade the organic dye malachite green. The results showed that ZnO nanomaterials synthesized in green removed 98.5% of the dye from the aqueous solution by photo-degradation under visible light. This study contributes to efforts that try to develop efficient techniques for removing organic pollutants from wastewater treatment.  
      PubDate: 2023-03-08
      Issue No: Vol. 16, No. 1 (2023)
       
  • Challenges of supplying raw material to the locally established leather
           and leather products manufacturing industry

    • Authors: Tenaw Tegbar Tsega, Klaus-Dieter Thoben, D.K. Nageswara Rao, Bereket Haile
      Pages: 13 - 28
      Abstract: Leather industries in countries with a large raw material base, such as Ethiopia, could contribute significantly to meeting future global demand for leather and leather goods. So far, Ethiopia's leather industry has begun producing leather shoes, jackets, and elegant gloves, which are sold in many developed countries through world-class branded distributors. However, shortage of raw materials has become a major constraint for the industry even if the volume of raw material production is greater than the design capacity of the industry. Therefore, the aim of this study was to investigate the complete process of raw material supply, i.e., starting from the point of production until it reaches the boundaries of tanneries and reveal how the process affects cost, quality, and availability of raw materials. Data were collected through surveys, observations, focus group discussions, and questionnaire. After modeling the existing raw material supplying process and conducting both qualitative and quantitate analysis, this study found that: (i) the existing process fails to collect about 45% of the total available raw material, (ii) the raw material price increases by five-fold when it reaches the tanneries, (iii) it takes 3 to 4 more steps than the standard of reaching raw material to the industry, and (iv) there is a lack of quality control throughout the entire process.. In conclusion, the existing process of raw material supply is a real challenge for the industry. Different interventions suggested by this study could improve the existing conditions.
      PubDate: 2023-03-08
      DOI: 10.4314/ejst.v16i1.
      Issue No: Vol. 16, No. 1 (2023)
       
  • Bioaccumulation of trace elements in paddy soil, paddy plants and rice
           grains from irrigation schemes, Morogoro-Tanzania

    • Authors: Leopord Sibomana Leonard, Elionara Gebrath Riwa
      Pages: 29 - 49
      Abstract: Bioaccumulation of trace elements in paddy soil and rice plants was assessed from Morogoro region of Tanzania. Paddy soil, paddy plants and rice grains were sampled from 9 different sampling points within rice fields and one control sample from a separate farm and analyzed in the School of Engineering and Environmental Studies laboratory, Ardhi University, Dar es Salaam. Trace elements were analyzed using a Perkin Elmer Atomic Absorption Spectrophotometer (100-AAS). Heavy metal uptake and translocation indices including BAF, BCF, TF and EF were established. The results showed that all samples (paddy soil, paddy plant and rice grains) contained some concentration of trace elements in various levels. The uptake of trace elements in roots were in the order of Zn>Cu>Pb>Cr>Cd while in shoots the uptake was in the order of Pb>Zn>Cu>Cr>Cd and the Reiwa bio-availability of trace elements concentration in paddy grains were in the order of Zn>Pb>Cu>Cr>Cd. The trend of the total BAF, BCF, TF and EF for each metal were in the order of Cr>Pb>Cd>Zn>Cu; Cr>Pb>Cu>Zn>Cd; Pb>Cr>Cu>Zn and Cd>Pb>Zn>Cu>Cr, respectively. The concentration of Pb ranged from 1.583±0.29 mg kg-1 to 7.231±1.125 mg kg-1 above the recommended 0.2 mg kg-1 limit. Minimizing application of agrochemicals and promoting organic fertilizers in paddy farms is recommended.  
      PubDate: 2023-03-08
      Issue No: Vol. 16, No. 1 (2023)
       
  • Process optimization of Cr(VI) removal from aqueous solution using
           activated orange peel for treatment of tannery wastewater

    • Authors: Tilahun Dagnew, Zenamarkos Bantie
      Pages: 51 - 75
      Abstract: The oxidation of trivalent chromium (Cr(III)) to more toxic hexavalent chromium (Cr(VI)) in wastewater causes several problems in aquatic environments and downstream users. The aim of this research was to optimize Cr(VI) removal from an aqueous solution using activated orange peel adsorbent for treating tannery wastewater by analyzing the effects of adsorbent dose, pH, and contact time. The design expert software was used. Raw and activated orange adsorbents were characterized by FT-IR spectroscopy, scanning electron microscope (SEM), and Brunauer-Emmett -Teller (BET). Batch adsorption experiments were carried out at room temperature and the residual concentration of Cr(VI) was analyzed by UV-VIS spectrometer. Bio-sorbent desorption was also conducted to regenerate the bio-adsorbent and recover the metal. The removal efficiency was maximum (94.74%) at pH of 2, dosage 2.5 g/L, and contact time of 90 minutes. FTIR results confirm that hydroxyl functional groups, which have high affinity towards heavy metals, are responsible for the removal of Cr(VI). Methoxy groups, which undergo demethylation to generate new hydroxyl groups after carbonization confirming oxidation, also play significant role in the adsorption process. SEM results indicate that activated orange peel adsorbent has highly porous surface created due to the removal of viscous compounds during activation. The Langmuir isotherm model shows a better fit and the reaction kinetics is described by a pseudo-second-order kinetic model (R2=0.99). The Cr(VI) removal efficiency in real effluents is lower than in stock solution due to the scavenging effects of competitors.  In summary, results of this research indicate that the use of activated orange peel adsorbent is promising to treat wastewater effluents for removal of Cr(VI).  
      PubDate: 2023-03-08
      Issue No: Vol. 16, No. 1 (2023)
       
  • Biosynthesis of silver nanoparticles using Endod (Phytolacca dodecandra)
           leaf extract and evaluation of their antibacterial activity

    • Authors: Zelalem Getu, Muluken Aklilu
      Pages: 77 - 97
      Abstract: Nowadays, the applications of metal nanoparticles are growing rapidly in different fields due to their unique properties such as size and shape. Among the different metal nanoparticles, silver nanoparticles (Ag NPs) have attracted considerable attention. In recent years, biosynthesis of Ag NPs has gained much interest from researchers. Ethiopian flora has a potential to provide cost-effective non-hazardous reducing and stabilizing compounds in preparing Ag NPs. In this study, leaf extracts of endod (Phytolacca dodecandra) were used as a reducing and stabilizing agent for the synthesis of Ag NPs because it is cost effective, eco-friendly and has medicinal property. During the synthesis of the nanoparticles, we used 8 % (w/v) of 25 mL P. dodecandra leaf extract and 5 mM of 50 mL silver nitrate solution. The synthesised Ag NPs were characterized by using UV–Vis absorption, FTIR and XRD spectroscopy. Antibacterial susceptibility of green-produced Ag nanoparticles was examined against Gram-positive and Gram-negative microorganisms. The UV-Visible spectrum of the colloidal solutions has a maximum absorbance observed at 424 nm. FTIR spectrum analysis revealed the presence of functional groups in the leaf extract which are responsible for the reduction of Ag+ to Ago.  XRD spectrum showed the crystallinity and face-centered cubic (FCC) structure of the synthesized Ag nanoparticles. The particle size of silver nanoparticles calculated using the Debye-Scherrer formula was found to be equal to 22 nm.  The antibacterial susceptibility test showed an inhibition zone of 22 mm against S. aureus and an inhibition zone of 21 mm against S. typhi.
      PubDate: 2023-03-08
      Issue No: Vol. 16, 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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