5Westerman J W Rosse and J G. Reducing the theat of rater nonparticipation in 360-degree feedback systems, Group & Organization Management[J], 1997, 22, 2: 288-309.
6Wang H F and Shen S Y. Group Decision Support with MOLP Applications, IEEE Trans, Syst, Man And Acybernetics[J], 1989,19, 1: 143-153.
7Olkin I Gleser L J and Derman C. Probability Models and Application[M], New York, 1980.
