Apan, M., H. . Karamelikli, M. İslamoğlu, and H. Aziz. “The Symmetric and Asymmetric Relationship Between the Ratio of Non-Performing Loans and the Return on Equity: Evidence from Borsa Istanbul”. International Journal of Contemporary Economics and Administrative Sciences, vol. 14, no. 2, Dec. 2024, pp. 641-6, doi:10.5281/zenodo.14608886.