Khalfa, Imadeddine, and said Mazroua. 2025. “The Effect of Training Units by Muscle Relaxation on Alleviating Psychological Pressure Among Runners of Long-Distance Distances, Class (17-18) Years”. Sports Creativity 11 (4):360-79. https://journals.univ-msila.dz/index.php/JOSC/article/view/1430.