00667naa#a2200181#i#450# EN\INFRA-M\bibl\36411 20241227213538.5 2500-3305 20191225b2019####ek#y0engy0150####ca RU On the history of the theory of systems: the emergence of a systems approach in pedagogy Journal article Moscow INFRA-M Academic Publishing LLC. 2019 6 с. Journal article local Образование. Воспитание. Обучение. Организация досуга. 37 Vorovschikov Sergey Georgievich Tat'yanchenko D. V. naukaru.ru