00717naa#a2200169#i#450# EN\\bibl\109865 20260323225539.1 1994-4683 20240430b2024####ek#y0engy0150####ca RU Model platforms that ensure the engagement of schoolchildren in systematic sports in the regions of Russia Journal article Moscow National State University of Physical Education, Sports and Health named after P.F. Lesgaft 2024 4 с. Journal article local Содержание спортивных сооружений, игровых площадок. 796.028 Sedochenko Svetlana Vladimirovna uchzapiski.lesgaft.spb.ru