00539naa#a2200169#i#450# EN\INFRA-M\bibl\12262 20250112153842.7 1998-0728 20160617b2016####ek#y0engy0150####ca RUS RU The Basis for Organization of Universal Learning Activities Forming Process by Younger Schoolchildren Journal article Moscow INFRA-M Academic Publishing LLC. 2016 6 с. Journal article local Vinogradova Natalya Fedorovna zh-szf.ru