00579naa#a2200169#i#450# EN\INFRA-M\bibl\122144 20260510024957.7 2500-3305 20260227b2026####ek#y0engy0150####ca RU Periodization of the history of pedagogy: 
the problem and scientific approaches to its solution Journal article Moscow INFRA-M Academic Publishing LLC. 2026 10 с. Journal article local Системы воспитания. 371.4 Dzhurinskiy Aleksandr Naumovich zh-szf.ru