In open access
The Presidential Library |
CyberLeninka |
Nauchnaya pedagogicheskaya elektronnaya biblioteka |
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EBID |
National Library of Russia |
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Open Archive |
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of Medicine |
Briefs |
Journals |
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Digital Publishing Institute |
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Electronic Journals Library in Regensburg |
Gramota.ru |
JSTOR |
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Oxford University Press |
WorldScientificOpen |
IEEE Open Access Journals |
