00527naa#a2200181#i#450# EN\INFRA-M\bibl\9663 /en/manage/index 20250415150859.2 1998-0728 20160417b2016####ek#y0engy0150####ca RUS RU Cognitive Need Content of Younger Schoolchildren Journal article Moscow INFRA-M Academic Publishing LLC. 2016 5 с. Journal article local Zgurskaya Tatyana fht.editorum.ru /en/manage/index