Certificates are a must! List of global free electronic libraries
Chinese
1. China Online
(Providing 3,600 foreign periodicals)
plinker.cnpeak.com/
2. China Academic Conference Online
(Academic conference resource sharing platform sponsored by the Ministry of Education)
/meeting/
3. Online quality papers of scientific papers in China.
(Achievements of papers in the field of natural science)
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4. Digital resources of Chinese books in the National Library.
(170000 books on various subjects can be read online)
/web/guest/zhongwentushu
5. Hans Publishing House China Academic Journal
(125 international open source Chinese periodicals are free to download and read)
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7. National Academic Journal Database of Philosophy and Social Sciences
(The largest database of public welfare social science quality journals in China, including more than 600 kinds of quality academic journals and nearly 3 million papers)
/paper/search_pap.jsp
9. Database of Chinese Dissertations in National Science and Technology Library.
(free digest)
/NSTL/
10.CALIS degree library
(free digest)
1 1. Peking University magic weapon
(You can search the legal database of laws and regulations, judicial cases, legal journals, practice of law firms, etc. )
12. China preprint service system
(Providing preprint literature resources, including domestic preprint service subsystem and foreign preprint portal (SINDAP) subsystem)
/main.html？ Action = index
foreign language
1.INFOMINE academic resources
(A large collection of Internet resources in various disciplines and literature types for universities and researchers)
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4. Canadian amicus curiae thesis
(Including dissertations of more than 300 libraries in Canada/KLOC-0).
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12. Bailing International
(Providing high-quality periodicals published by developing countries)
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18. Socolar
(Organized more than 65,438+00,000 OA journals and more than 65,438+0000 OA warehouse resources around the world)
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19. International and regional digital collections of the University of California
(More than 654.38+00000 published journal articles, unpublished research manuscripts, conference documents and other linked publications can be read for free. )
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26. Open Access Periodical Catalogue
There are 2,000 searchable journals, of which 497 provide 84,044 free full-text articles. )
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In foreign languages, 16. The OA resources of scientific research publishing house * * * have electronic editions of more than 260 periodicals and more than 50,000 articles.