K. ŞEKER, İbrahim ÇEMBERLİTAŞ, and Y. ÜLKER, “ANALYSIS OF PROFITABILITY PERFORMANCE OF NON-LIFE INSURANCE SECTOR WITH MULTIPLE LINEAR REGRESSION METHODS USING FINANCIAL RATIOS AND MACROECONOMIC VARIABLES ”, Atlas J., vol. 6, no. 26, pp. 147–164, Feb. 2020.