trich lahcen, layadi abdelkrim. Proposed sports training program and its effect on developing speed endurance in middle-distance runners aged [16-18] years. (J. Spo. Creativity) [Internet]. 2025 Dec. 21 [cited 2026 Feb. 6];5(2):525-43. Available from: https://journals.univ-msila.dz/index.php/JOSC/article/view/2827