ادامه سایتهای معتبر علمی ....
Applied Social Sciences Index and Abstracts (ASSIA)
http://www.proquest.com/products-services/ASSIA-Applied-Social-Sciences-Index-and-Abstracts.html
Aquatic Sciences and Fisheries Abstracts (ASFA)
http://www.proquest.com/products-services/aquatic_science.html
Art &Archaeology Technical Abstract (AATA)
https://www.getty.edu/conservation/publications_resources/aata/index.html
http://www.ebscohost.com/academic/atla-religion-database
http://search.proquest.com/microbiologyb
https://www.ebsco.com/products/research-databases/biological-abstracts
https://www.ebsco.com/products/research-databases/biosis-previews
Biotechnology Research Abstracts
http://search.proquest.com/biotechresearch/advanced?accountid=14826
https://www.cabi.org/publishing-products/cab-abstracts/
http://www.proquest.com/products-services/materials_science.html
Chemical Engineering and Biotechnology Abstracts (CEABA)
http://www.proquest.com/products-services/ProQuest-Dialog.html
Civil Engineering Abstracts (CEA)
http://search.proquest.com/civilengineering?accountid=27303
Computer and Information System Abstracts
http://search.proquest.com/computerinfo
http://www.cabi.org/publishing-products/online-information-resources/crop-science-database/
https://www.kent.ac.uk/library-it/your-digital-library/digital-resources-directory/81/CIS
https://clarivate.com/webofsciencegroup/solutions/webofscience-derwent-innovation-index/
Design and Applied Arts Index (DAAI)
http://www.proquest.com/products-services/daai-set-c.html
Documents in information Science (DoIS)
http://eprints.rclis.org/5606/
Earthquake Engineering Abstracts (EEA)
http://search.proquest.com/earthquake
http://www.journals.elsevier.com/ecological-abstracts/
http://www.ebscohost.com/ACADEMIC/econlit
Education Resources Information Center (ERIC)
Educational Research Abstracts (ERA)
http://www.tandfonline.com/db/era#.VMjnICx5et8
Educational Technology Abstracts
http://taylorandfrancisgroup.com/
http://www.elsevier.com/online-tools/embase
Engineered Materials Abstracts
http://search.proquest.com/engineeringmaterialsabstracts
http://www.engineeringvillage.com/home.url?acw=&utt=
http://www.ebscohost.com/ACADEMIC/environment-index
Environmental Engineering Abstracts
http://search.proquest.com/environmentalengabstracts
Environmental Science Database
http://www.proquest.com/products-services/environmental_sci.html
Environmental Sciences & Pollution Management (ESPM)
http://search.proquest.com/espm/advanced?accountid=14505
E-Prints in Library & Information Science (E-LIS)
Food Science and Technology Abstracts (FSTA)
https://www.americangeosciences.org/georef/about-georef-database
Health and Safety Sciences Abstracts
http://search.proquest.com/healthsafetyabstracts
http://www.proquest.com/products-services/islamicus-set-c.html
https://library.princeton.edu/resource/title/index-christian-art
https://www.theiet.org/publishing/inspec/
International CONstruction Database (ICONDA)
https://www.irb.fraunhofer.de/iconda/login/ICONDA/iconda-start-info.jsp
International Index to Music Periodicals (IIMP)
http://www.proquest.com/products-services/iimp.html
International Nuclear Information System (INIS Database)
https://www.iaea.org/resources/databases/inis
International Pharmecutical Abstracts (IPA)
http://www.proquest.com/products-services/ipa-set-c.html
http://www.lexisnexis.com/en-us/gateway.page
Library Literature and Information Science
http://www.ebscohost.com/academic/library-literature-information-science-index
Linguistics & Language Behavior Abstracts (LLBA)
http://proquest.libguides.com/llba
http://www.proquest.com/products-services/lisa-set-c.html
http://www.ams.org/mathscinet/
Mechanical & Transportation Engineering Abstracts
http://search.proquest.com/mteabstracts
Mechanical Engineering Abstracts
http://search.proquest.com/mechanicalengineeringabs/
http://www.ncbi.nlm.nih.gov/pubmed
https://www.rsc.org/merck-index
Metal Abstracts, Metals Abstracts Index and Alloys index (METADEX)
http://search.proquest.com/metadex/advanced?accountid=14826
Meteorological and Geoastrophysical Abstracts
http://search.proquest.com/mga/advanced/
Modern Language Association (MLA) International Bibliography
http://www.ebscohost.com/academic/music-index
http://search.proquest.com/oceanic
http://www.proquest.com/products-services/pei-set-c.html
http://popindex.princeton.edu/
http://www.ebscohost.com/academic/psycinfo
http://search.proquest.com/psycinfo/advanced/
http://www.ncbi.nlm.nih.gov/pubmed
http://www.elsevier.com/online-tools/reaxys
http://www.proquest.com/products-services/ssa-set-c.html
http://www.proquest.com/products-services/socioabs-set-c.html
Solid State and Superconductivity Abstracts
http://search.proquest.com/solidstateabstracts
http://search.proquest.com/toxicologyabstracts
https://www.nlm.nih.gov/toxnet/index.html
http://search.proquest.com/waterresources
World Wide Political Science Abstracts
http://www.proquest.com/libraries/academic/databases/polsci-set-c.html
https://www.ebsco.com/products/research-databases/biosis-previews