LEYFA, A. The social basis of the development of physical activity of students in terms of their quality of life. Physical Education of Students, [S. l.], v. 17, n. 3, p. 35–41, 2013. DOI: 10.6084/m9.figshare.662600. Disponível em: https://sportedu.org.ua/index.php/PES/article/view/290. Acesso em: 26 jul. 2026.