Zainab kadhim Saeed, and Nidhalshaker jawdat. 2022. “Measuring and Analyzing the Efficiency of the Performance of the Municipalities of the Mayoralty of Baghdad Using the Data Envelope Analysis Methodology”. Eurasian Journal of History, Geography and Economics 13 (October):32-43. https://geniusjournals.org/index.php/ejhge/article/view/2347.