Values-Based Leadership and Its Impact on the Moral Self-Efficacy of Physical Education Supervisors in the Educational Supervision Department of the Nineveh Education Directorate. Damu Journal of Sport Sciences, [S. l.], v. 2, n. 4, p. 145–163, 2025. DOI: 10.64002/4j4ap356. Disponível em: https://damujss.com/index.php/home/article/view/355.. Acesso em: 28 feb. 2026.