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 November 21, 2024. https://econjournals.com.tr/index.php/ijefi/article/view/944.