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Web of Science |
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Google Scholar |
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Directory of Open Access Journals (DOAJ) |
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Index Copernicus |
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WorldCAT |
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BASE |
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Research Bible |
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Open Access Infrastructure for Research in Europe |
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Directory of International Reseach Journals |
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Scientific Indexing Services |
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International Institute of Organized Research |
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Наукова періодика України
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Україніка наукова |