00741naa#a2200169#i#450# EN\\bibl\121474 20260430003200.4 1994-4683 20230531b2023####ek#y0engy0150####ca RU IMPROVING THE SYSTEM OF PREPARATION OF A SPORTS RESERVE ON THE BASIS OF CHANGING APPROACHES TO ASSESSING THE ACHIEVEMENTS OF PARTICIPANTS Journal article Moscow National State University of Physical Education, Sports and Health named after P.F. Lesgaft 2023 4 с. Journal article local Спортивная тренировка. Методика. Нагрузка. Спортивные результаты. 796.015 uchzapiski.lesgaft.spb.ru