00648naa#a2200169#i#450# EN\INFRA-M\bibl\103049 20260415062800.3 2500-3305 20250630b2025####ek#y0engy0150####ca RU A personal-developmental approach to the formation 
of cognitive activity in junior schoolchildren 
by means of crossens Journal article Moscow INFRA-M Academic Publishing LLC. 2025 6 с. Journal article local Общеобразовательная школа. Дошкольные учреждения. 373 Ovchinnikova A. Zh. naukaru.ru