Dilek, Serkan, and Orhan Küçük. “Customer Satisfaction in Participation Banks: A Research in Kastamonu”. International Journal of Research in Business and Social Science (2147- 4478) 6, no. 4 (July 19, 2017): 22–33. Accessed October 22, 2021. http://ssbfnet.com/ojs/index.php/ijrbs/article/view/66.