Yüksel, Serhat, Shahriyar Mukhtarov, and Elvin Mammadov. “Comparing the Efficiency of Turkish and Azerbaijani Banks: An Application With Data Envelopment Analysis”. International Journal of Economics and Financial Issues 6, no. 3 (July 23, 2016): 1059–1067. Accessed January 10, 2025. https://mail.econjournals.org.tr/index.php/ijefi/article/view/2294.