Ertugrul, Irfan, Gulin Zeynep Oztas, Abdullah Ozcil, and Tayfun Oztas. 2016. “Efficiency Analysis Of Non-Life Insurance Companies In Terms Of Underwriting Process With Data Envelopment Analysis”. European Scientific Journal, ESJ 12 (10). https://doi.org/10.19044/esj.2016.v12n10p%p.