%0 Journal Article %T A New Way Using Utility Functions for Multi-choice Goal Programming Models %A Ching-Ter Chang %A Zheng-Yun Zhuang %J Lecture Notes in Engineering and Computer Science %D 2013 %I Newswood and International Association of Engineers %U http://www.iaeng.org/publication/IMECS2013/IMECS2013_pp1141-1145.pdf