بن البار سعيد. Human investment and its role in achieving organizational effectiveness within the sports administration The Directorate of Youth and Sports of the State of msila model. (J. Spo. Creativity) [Internet]. 2025 Dec. 21 [cited 2026 Feb. 6];9(02):Volume 9, Numéro 2, Pages 78-98. Available from: https://journals.univ-msila.dz/index.php/JOSC/article/view/3150