Multi-period lot-sizing with supplier selection using achievement scalarizing functions. - Ozden Ustun; Ezgi Aktar Demirtas (Comput. Ind. Eng., 2008)

Analytic network process and multi-period goal programming integration in purchasing decisions. - Ezgi Aktar Demirtas; Ozden Ustun (Comput. Ind. Eng., 2009)

Multiobjective Programming and Multiattribute Utility Functions in Portfolio Optimization. - Matthias Ehrgott; Chris Waters; Refail Kasimbeyli; Ozden Ustun (INFOR Inf. Syst. Oper. Res., 2009)

Combined forecasts in portfolio optimization: A generalized approach. - Ozden Ustun; Refail Kasimbeyli (Comput. Oper. Res., 2012)

An Improved Fuzzy C-Means Algorithm for Cell Formation Problems with Alternative Routes. - Ihsan Erozan; Ozden Ustun; Orhan Torkul (Int. J. Fuzzy Syst. Appl., 2015)

Student selection and assignment methodology based on fuzzy MULTIMOORA and multichoice goal programming. - Derya Deliktas; Ozden Ustun (Int. Trans. Oper. Res., 2017)

A flexible job shop cell scheduling with sequence-dependent family setup times and intercellular transportation times using conic scalarization method. - Derya Deliktas; Orhan Torkul; Ozden Ustun (Int. Trans. Oper. Res., 2019)

Evolutionary algorithms for multi-objective flexible job shop cell scheduling. - Derya Deliktas; Ender Özcan; Ozden Ustun; Orhan Torkul (Appl. Soft Comput., 2021)

Multi-objective genetic algorithm based on the fuzzy MULTIMOORA method for solving the cardinality constrained portfolio optimization. - Derya Deliktas; Ozden Ustun (Appl. Intell., 2023)

Multi-choice conic goal programming model-based network data envelopment analysis. - Derya Deliktas; Ozden Ustun; Ezgi Aktar Demirtas; Rifat Aykut Arapoglu (RAIRO Oper. Res., 2024)