00603naa#a2200169#i#450# EN\INFRA-M\bibl\44222 20260123192318.5 2500-3305 20210524b2021####ek#y0engy0150####ca RU Support of self-development of students in organizations of additional education Journal article Moscow INFRA-M Academic Publishing LLC. 2021 4 с. Journal article local Образование. Воспитание. Обучение. Организация досуга. 37 Ivanova A. V. zh-szf.ru