00555naa#a2200181#i#450# EN\INFRA-M\bibl\126801 20260706141745.1 2305-7807 20260430b2026####ek#y0engy0150####ca RU MOTIVATIONAL MECHANISMS FOR STUDENT PARTICIPATION IN SPORTS CLUB ACTIVITIES Journal article Moscow INFRA-M Academic Publishing LLC. 2026 5 с. Journal article local Социология. 316 Zhelinskaya M. A. Zaharov N. L. zh-szf.ru