00749naa#a2200169#i#450# EN\INFRA-M\bibl\105480 20260203181934.2 1998-0744 20251225b2025####ek#y0engy0150####ca RU INFORMAL EDUCATIONAL ENVIRONMENT AS A FACTOR OF ADOLESCENTS’ PERSONAL SELF-DEVELOPMENT (ON THE EXAMPLE OF ENGINEERING AND TECHNICAL PRACTICES) Journal article Moscow INFRA-M Academic Publishing LLC. 2025 3 с. Journal article local Образование. Воспитание. Обучение. Организация досуга. 37 Формирование и развитие личности. 37.032 Dobrin Ivan Evgen'evich naukaru.ru