00892naa#a2200193#i#450# EN\\bibl\95047 20250314212530.5 1994-4683 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