Dr. teacher Ahmed Shaker Mahmoud. “Opportunities to Use Operations Research Methods to Develop Economic Performance: A Case Study of a Sample of Companies Listed in the Iraq Stock Exchange”. Economic and Administrative Studies Journal 2, no. 3 (August 28, 2023): 21–34. Accessed June 19, 2024. http://easj.aliraqia.edu.iq/index.php/easj/article/view/47.