KHALFA, Imadeddine; MAZROUA, Said. The effect of training units by muscle relaxation on alleviating psychological pressure among runners of long-distance distances, class (17-18) years. sports creativity, [S. l.], v. 11, n. 4, p. 360–379, 2025. Disponível em: https://journals.univ-msila.dz/index.php/JOSC/article/view/1430. Acesso em: 4 feb. 2026.