Affiliation: | 1. Department of Operations and Information Systems , University of Massachusetts Lowell , Lowell , MA , USA asil_oztekin@uml.edu;3. Department of Industrial Engineering , Fatih University , Buyukcekmece-Istanbul , Turkey;4. Department of Mechanical Engineering , Marmara University , Kadikoy-Istanbul , Turkey;5. Department of Mathematics and Computer Science , University of West Indies , St. Augustine, Trinidad and Tobago , West Indies |