PETKO, L. ENCOURAGING ADOLESCENTS’ ADMINISTRATIVES IN EXTRACURRICULAR WORK. Pedagogy of Higher and Secondary Education, Kryvyi Rih, Ukraine, v. 24, p. 332–340, 2009. DOI: 10.31812/educdim.6057. Disponível em: https://journal.kdpu.edu.ua/ped/article/view/6057. Acesso em: 23 dec. 2024.