00597naa#a2200169#i#4500001002300000005001700023011001400040100004100054102000700095200011500102210005100217215001000268608002700278675008700305700002100392856001400413EN\INFRA-M\bibl\12610820260712233541.7##a1998-0728##a20260618b2026####ek#y0engy0150####ca##aRU1#aWhy Extracurricular Activities Are Becoming a Factor in Overloading Elementary SchoolchildreneJournal article1#aMoscowcINFRA-M Academic Publishing LLC.d2026##a6 с.##aJournal article2local##aПервая ступень обучения. Начальная школа. 373.3#1aArtyuhovagI. S.4#azh-szf.ru