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Author Title Type [ Year
] Filters: Author is G.G. Pivnyak and Keyword is scientific and educational centers [Clear All Filters]
ISSN 2413-497X (Ukrainian ed. Online)
ISSN 1815-2066 (Ukrainian ed. Print)
ISSN 2413-497X (Ukrainian ed. Online)
ISSN 1815-2066 (Ukrainian ed. Print)
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