00633naa#a2200169#i#450# EN\INFRA-M\bibl\44725 20241108144428.5 1998-0728 20210713b2021####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 3 с. Journal article local Образование. Воспитание. Обучение. Организация досуга. 37 Vinogradova Natalya Fedorovna zh-szf.ru