00621naa#a2200181#i#4500001002200000005001700022011001400039100004100053101000800094102000700102200008200109210005100191215001000242608002700252675011300279700003200392856001500424EN\INFRA-M\bibl\1576220250101102532.3##a1998-0728##a20170331b2017####ek#y0engy0150####ca0#aRUS##aRU1#aFeatures of Math Correction-Developing Work in the 4th GradeeJournal article1#aMoscowcINFRA-M Academic Publishing LLC.d2017##a4 с.##aJournal article2local##aОбразование. Воспитание. Обучение. Организация досуга. 37zRUS#1aKochurovagElena Eduardovna4#anaukaru.ru