00637naa#a2200169#i#450# EN\INFRA-M\bibl\46477 20260124061115.6 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. naukaru.ru