00605naa#a2200181#i#450# EN\INFRA-M\bibl\103622 20260125115120.7 1998-0744 20250909b2025####ek#y0engy0150####ca RU Development of Cognitive Activity of Primary School Children in Lessons of the World Around Using a Local Studies Approach Journal article Moscow INFRA-M Academic Publishing LLC. 2025 8 с. Journal article local математики. 372.851 Chirkova N. I. Anfalova E. R. naukaru.ru