GRZEGORCZYK, J.; MAZUR, E.; DOMKA, E. Assessment of physical activity of pupils in two selected junior high schools in the Podkarpacie. European Journal of Clinical and Experimental Medicine, [S. l.], v. 6, n. 3, p. 226–234, 2008. Disponível em: https://journals.ur.edu.pl/ejcem/article/view/13237. Acesso em: 26 jun. 2026.