00589naa#a2200169#i#4500001002200000005001700022011001400039100004100053102000700094200007200101210005100173215001000224608002700234675010800261700003500369856001500404EN\INFRA-M\bibl\4226820240503170843.5##a1998-0728##a20210217b2021####ek#y0engy0150####ca##aRU1#aModern Elementary School: Learning DifferentiationeJournal article1#aMoscowcINFRA-M Academic Publishing LLC.d2021##a3 с.##aJournal article2local##aОбразование. Воспитание. Обучение. Организация досуга. 37#1aVinogradovagNatalya Fedorovna4#anaukaru.ru