00841naa#a2200193#i#450# EN\\bibl\111571 20260115074108.4 1994-4683 20250913b2025####ek#y0engy0150####ca RU Competitions as an important component of the training process of young athletes of primary school age in sports radio direction finding Journal article Moscow National State University of Physical Education, Sports and Health named after P.F. Lesgaft 2025 5 с. Journal article local Организация тренировок. Руководство тренировками. 796.015.4 Zelensky Konstantin Grigorievich Abramov Aleksey Valer'evich Kostyuchenko Valeriy Filippovich uchzapiski.lesgaft.spb.ru