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Romanov P.S. Analytical characteristics of a document flow of dissertations on library science in the USA and Canada. Bibliosphere. 2018;(3):7-13. (In Russ.) https://doi.org/10.20913/1815-3186-2018-3-7-13



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ISSN 1815-3186 (Print)
ISSN 2712-7931 (Online)