Nurdan Kara is an Assistant Professor in the Department of Mathematics at National Defence University, Istanbul, Turkey. She has been a faculty member of Ankara University since 1998. She completed her Ph.D. entitled “Fuzzy Approaches to multi-objective fractional transportation problem” in Applied Mathematics (2008) from Yildiz Technical University. Her current area of research is mathematical programming, fractional programming, transportation systems, and some related Operational Research subjects in multi-criteria and fuzzy environments.