00678naa#a2200193#i#450# EN\INFRA-M\bibl\39505 20240724222505.3 2306-1731 20200921b2020####ek#y0engy0150####ca RU Organizations of Research Activity of Younger Schoolchildren in Studying the Subject «the World-Around-Us» Journal article Moscow INFRA-M Academic Publishing LLC. 2020 5 с. Journal article local Статистика. Демография. Социология. 31 Fatyhova Alevtina Leont'evna Rabadanova R. S. Golovneva N. A. naukaru.ru