00817naa#a2200193#i#450# EN\\bibl\127907 20260715174242.3 1994-4683 20230228b2023####ek#y0engy0150####ca RU EFFICIENCY OF INDEPENDENT LESSONS IN PHYSICAL EDUCATION FOR THE DEVELOPMENT OF PHYSICAL QUALITIES IN MIDDLE SCHOOL STUDENTS Journal article Moscow National State University of Physical Education, Sports and Health named after P.F. Lesgaft 2023 2 с. Journal article local Философские и научно-теоретические основы физической культуры и спорта. 796.011 Vinokurov YA A Vinokurova O A Vinokurova N A uchzapiski.lesgaft.spb.ru