A two-phase possibilistic linear programming methodology for multi-objective supplier evaluation and order allocation problems. - Dogan Özgen; Semih Önüt; Bahadir Gülsün; Umut Rifat Tuzkaya; Gülfem Tuzkaya (Inf. Sci., 2008)

An integrated fuzzy multi-criteria decision making methodology for material handling equipment selection problem and an application. - Gülfem Tuzkaya; Bahadir Gülsün; Cengiz Kahraman; Dogan Özgen (Expert Syst. Appl., 2010)

A Multi-Criteria Decision Making Approach for Machine Tool Selection Problem in a Fuzzy Environment. - Arzum Özgen; Gülfem Tuzkaya; Umut Rifat Tuzkaya; Dogan Özgen (Int. J. Comput. Intell. Syst., 2011)

Combining possibilistic linear programming and fuzzy AHP for solving the multi-objective capacitated multi-facility location problem. - Dogan Özgen; Bahadir Gülsün (Inf. Sci., 2014)

Solving vehicle routing problem with time windows using metaheuristic approaches. - Zeynep Aydinalp; Dogan Özgen (Int. J. Intell. Comput. Cybern., 2023)

An interactive possibilistic programming approach for green capacitated vehicle routing problem. - Zeynep Aydinalp; Dogan Özgen (Neural Comput. Appl., 2023)