Khawla Hadi Atiwi, and Salem Awad Hadi. “Evaluating Performance by Using the ABC Model Improves Municipal Services”. Journal of Madenat Alelem University College 10, no. 2 (January 1, 2018): 252-270. Accessed January 5, 2025. http://116.203.176.164/index.php/JMAUC/article/view/41.