Opricović S, Tzeng G-H. A comparative analysis of the DEA-CCR model and the VIKOR method. YUJOR [Internet]. 2008 Sep. 1 [cited 2025 Sep. 30];18(2):187-203. Available from: https://yujor.erc.fon.bg.ac.rs/index.php/yujor/article/view/245