00955naa#a2200205#i#450# EN\\bibl\108738 20251130132718.7 1994-4683 20251124b2025####ek#y0engy0150####ca RU On the issue of standardizing the volume of weekly motor activity for schoolchildren with intellectual disabilities Journal article Moscow National State University of Physical Education, Sports and Health named after P.F. Lesgaft 2025 8 с. Journal article local Философские и научно-теоретические основы физической культуры и спорта. 796.011 Общие вопросы физической культуры и спорта. 77.01 grnti Evseev Sergey Petrovich Shelekhov Aleksey Anatolevich Nenahov Il'ya Gennad'evich uchzapiski.lesgaft.spb.ru