كرميش عف. Psychological hardness and its relationship to the quality of the teaching competencies of physical education and sports teachers. -A field study for physical education teachers in the city of M’sila. (J. Spo. Creativity) [Internet]. 2025 Dec. 15 [cited 2026 Feb. 4];12(04):461-82. Available from: https://journals.univ-msila.dz/index.php/JOSC/article/view/1143