Aktan, Bora, and Omar Masood. “The State of Competition of the Turkish Banking Industry: An Application of the Panzar‐Rosse Model”. Journal of Business Economics and Management 11, no. 1 (March 31, 2010): 131-145. Accessed September 19, 2021. https://journals.vgtu.lt/index.php/JBEM/article/view/5830.