00984naa#a2200181#i#450# EN\NACIONAL'NYY GOSUDARSTVENNYY UNIVERSITET FIZICHESKOY KUL'TURY, SPORTA I ZDOROV'YA IM. P.F. LESGAFTA\bibl\6a9c15b632807fdbab86d1b9 20260918001135.5 20250217b2025####ek#y0engy0150####ca RU The dynamics of student motivation in physical culture and sports at the St. Petersburg branch of the Russian Customs Academy Journal article Moscow National State University of Physical Education, Sports and Health named after P.F. Lesgaft 2025 7 с. Journal article local Основные теоретические концепции физического воспитания. 796.011.2 Общие вопросы физической культуры и спорта. 77.01 grnti Lipovka Anna Yur'evna Cherkasova Alina Viktorovna uchzapiski.lesgaft.spb.ru