00571naa#a2200157#i#450# EN\INFRA-M\bibl\109569 20260129132519.4 1998-0728 20251208b2025####ek#y0engy0150####ca RU The Educational Process and Success of the Educational Activity of a Primary Schoolchildren (Part 3) Journal article Moscow INFRA-M Academic Publishing LLC. 2025 3 с. Journal article local Первая ступень обучения. Начальная школа. 373.3 zh-szf.ru