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 , [S. l.], v. 2, n. 3, p. 21–34, 2023. DOI: 10.58564/EASJ/1.3.2023.2. Disponível em: http://easj.aliraqia.edu.iq/index.php/easj/article/view/47. Acesso em: 19 jun. 2024.