00634naa#a2200169#i#450# EN\INFRA-M\bibl\45608 20240810162135.6 1998-0728 20210902b2021####ek#y0engy0150####ca RU Functional Literacy of a Primary Schoolchildren: Ways to Overcome Difficulties in Its Formation Journal article Moscow INFRA-M Academic Publishing LLC. 2021 6 с. Journal article local Образование. Воспитание. Обучение. Организация досуга. 37 Vinogradova Natalya Fedorovna naukaru.ru