TŁUCZEK-TADLA E. Involvement of Young People in Extracurricular Activities in General Education Secondary School – an Opportunity for their Balanced Development. jetacomps [Internet]. 29 grudzień 2023 [cytowane 3 lipiec 2024];4(34):28-40. Dostępne na: https://journals.ur.edu.pl/jetacomps/article/view/8983