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This is a website that open ways to download millions of research materials for free. The Sci-hub free article download website is centralized to remove restricting from downloading journals, articles, and papers from the link https://scihub.org/
http://www.academicjoy.net/phdcandidate-Theses.html
http://www.bac-lac.gc.ca/…/…/theses/Pages/theses-canada.aspx
http://ethos.bl.uk/SearchResults.do
http://epublications.bond.edu.au/
http://etd.lib.nsysu.edu.tw/ETD-db/ETD-search/search
http://eprints.hec.gov.pk/view/subjects/subjects.html
http://eprints.qut.edu.au/view/subjects/
https://etd.ohiolink.edu/ap:20:0:INSTS:NO:20
Access to Global online Research in Agriculture (AGORA)
Brill Open E-Journals Collection
Cambridge University Press: Open Access - Open Access journals from Cambridge University Press.
Directory of Open Access Journals
EPW (Economic and Political Weekly)
European Scientific Co-operative on Phytotherapy - European Phytojournal - free online
Evidence-Based Complementary and Alternative Medicine