00605naa#a2200169#i#450# EN\\bibl\109735 20251220210716.6 1994-4683 20250913b2025####ek#y0engy0150####ca RU On the issue of motivating youth achievement Journal article Moscow National State University of Physical Education, Sports and Health named after P.F. Lesgaft 2025 3 с. Journal article local Прочие вопросы психологии. 159.99 Pozdnyakova Tat'yana Borisovna uchzapiski.lesgaft.spb.ru