Al-Durgham, Lamees, and Mohammad Adeinat. “Assessing the Relative Efficiency for Listed Manufacturing Firms in Jordan Using Data Envelopment Analysis”. International Journal of Economics and Financial Issues 11, no. 1 (January 18, 2021): 135–139. Accessed April 20, 2024. https://www.econjournals.com/index.php/ijefi/article/view/10919.