01068naa#a2200229#i#450# EN\\bibl\104969 20251012044559.7 1994-4683 20251002b2025####ek#y0engy0150####ca RU Analysis of the introduction of the additional professional retraining program «Fitness trainer» into the educational process Journal article Moscow National State University of Physical Education, Sports and Health named after P.F. Lesgaft 2025 4 с. Journal article local Философские и научно-теоретические основы физической культуры и спорта. 796.011 Общие вопросы физической культуры и спорта. 77.01 grnti Kuznetsov Boris Vyacheslavovich Shutkin Sergey Nikolaevich Padin Oleg Konstantinovich Gnilomedov Roman Alexandrovich Bityutskikh Ivan Vladimirovich uchzapiski.lesgaft.spb.ru