Wu H-P, G-L Xuan and X Shuai (2003). “Confidence DEA Model for L.R-Type Fuzzy Numbers.” System Engineering Theory and Practice 23(9): 28.
Wu H-P, G-L Xuan and X Shuai (2003). “Confidence DEA Model for L.R-Type Fuzzy Numbers.” System Engineering Theory and Practice 23(9): 28.