Salem, Mamoun Youssef. “Evaluate the Performance of the Heads of Maintenance Department at Ministry of Awqaf & Islamic Affairs in the Mosques of Qatar in the Light of Total Quality Management”. Journal of Economic, Administrative and Legal Sciences 3, no. 4 (April 30, 2019): 138–113. Accessed December 20, 2025. https://www.ajsrp.ojsexpert.com/index.php/jeals/article/view/869.