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Rol Nauchnoy Pedagogicheskoy Biblioteki Im K D Ushinskogo V Informatsionnom Obespechenii Otechestvennoy Pedagogicheskoy Nauki Na Osnove Arhivnyh Dokumentov Perioda 1925 1970 H Godov
Tsapenko A. M. E-mail: tsapenko@gnpbu.ru Annotation. Keywords: http://www.pmedu.ru 51