00689naa#a2200181#i#450# EN\INFRA-M\bibl\46477 /en/manage/index 20250425165653.5 1998-0728 20211109b2021####ek#y0engy0150####ca RU Elimination of Difficulties in Teaching Primary School Students by Means of Controlling Metasubject Achievements Journal article Moscow INFRA-M Academic Publishing LLC. 2021 6 с. Journal article local Образование. Воспитание. Обучение. Организация досуга. 37 Petrashko O. O. fht.editorum.ru /en/manage/index