DERAN, Ali, Omer ISKENDEROGLU, and Incilay ERDURU. “Regional Differences and Financial Ratios: A Comparative Approach on Companies of ISE City Indexes”. International Journal of Economics and Financial Issues 4, no. 4 (October 3, 2014): 946–955. Accessed December 22, 2024. https://mail.econjournals.com/index.php/ijefi/article/view/944.