Self-Concept Level and Its Relationship to Some Demographic Variables among Yemeni Police Officers: A Field Study in the Capital Secretariat (Sana’a). jhs [Internet]. 2025 Mar. 29 [cited 2026 Apr. 14];4(3):310 – 345. Available from: https://journals.su.edu.ye/index.php/jhs/article/view/1498