A fuzzy approach to multi-objective mixed integer linear programming model for multi-echelon closed-loop supply chain with multi-product multi-time-period. - Sema Akin Bas; Beyza Ahlatçioglu Ozkok (Oper. Res. Decis., 2020)

Multilevel AHP approach with interval type-2 fuzzy sets to portfolio selection problem. - Büsra Meniz; Sema Akin Bas; Beyza Ahlatçioglu Ozkok; Fatma Tiryaki (J. Intell. Fuzzy Syst., 2021)

Integration of Type-2 fuzzy TOPSIS and Quality Function Deployment to address patient satisfaction in healthcare. - Büsra Meniz; Sezin Ozturk Usun; Sema Akin Bas; Elif Yafez; Beyza Ahlatçioglu Ozkok (Appl. Soft Comput., 2025)