SEHEN , Khairiyah. The Contribution of Leadership Vigilance to the Implementation of Functional Tasks by Administrators of Local Volleyball Championships. Journal of Physical Education, Baghdasd, Iraq., v. 37, n. 3, p. 974–988, 2025. DOI: 10.37359/JOPE.V37(3)2025.2359. Disponível em: https://jcope.uobaghdad.edu.iq/index.php/jcope/article/view/2359. Acesso em: 5 2025.