00587naa#a2200169#i#4500001002300000005001700023011001400040100004100054102000700095200010400102210005100206215001000257608002700267675008700294700002100381856001500402EN\INFRA-M\bibl\12248720260518144731.1##a1998-0728##a20260429b2026####ek#y0engy0150####ca##aRU1#aResearch and Development Activities in Teaching Russian to Primary School StudentseJournal article1#aMoscowcINFRA-M Academic Publishing LLC.d2026##a4 с.##aJournal article2local##aПервая ступень обучения. Начальная школа. 373.3#1aRomanovagV. Yu.4#anaukaru.ru