00640naa#a2200181#i#4500001002200000005001700022011001400039100004100053101000800094102000700102200011100109210005100220215001000271608002700281675011300308700002200421856001500443EN\INFRA-M\bibl\3101020241016033459.3##a1998-0744##a20191114b2019####ek#y0engy0150####ca0#aRUS##aRU1#aUsing the Principle of Problematicity for the Development Socialization of SchoolchildreneJournal article1#aMoscowcINFRA-M Academic Publishing LLC.d2019##a4 с.##aJournal article2local##aОбразование. Воспитание. Обучение. Организация досуга. 37zRUS#1aShevchenkogN. I.4#anaukaru.ru