00666naa#a2200169#i#450# EN\INFRA-M\bibl\47202 20241101021738.5 2500-3305 20211111b2021####ek#y0engy0150####ca RU A set of Conditions for the Self-Development of Children in the Process of Implementing a General Developmental Program of Additional Education Journal article Moscow INFRA-M Academic Publishing LLC. 2021 7 с. Journal article local Образование. Воспитание. Обучение. Организация досуга. 37 Ivanova I. V. zh-szf.ru