“Measuring The Efficiency of The Departments of The College of Administration and Economics / University of Baghdad Using the Method of Data Envelopment Analysis (DEA), A Comparative Study ”, RIGEO, vol. 11, no. 3, pp. 1141–1151, Mar. 2021, Accessed: Nov. 08, 2026. Available: https://rigeo.org/index.php/rigeo/article/view/278