00640naa#a2200169#i#4500001002200000005001700022011001400039100004100053102000700094200011800101210005100219215001000270608002700280675010800307700004000415856001500455EN\INFRA-M\bibl\4323720240914165831.6##a1998-0728##a20210421b2021####ek#y0engy0150####ca##aRU1#aMastering by Students of the Second Grades of the Universal Educational Action of ClassificationeJournal article1#aMoscowcINFRA-M Academic Publishing LLC.d2021##a4 с.##aJournal article2local##aОбразование. Воспитание. Обучение. Организация досуга. 37#1aYankovskayagTat'yana Aleksandrovna4#anaukaru.ru