2Charnes A, Cooper W W, Rhodes E. Measuring the Efficiency of Decision Making Units [J]. European Journal of Operation Research, 1978,2 (6).
3Charnes A,Copper W W,Wei Q L, Huang Z M. Cone Ratio Data Envelopment Analysis and Multi-Objective Programming [J]. International Journal of Systems Science, 1989,20(7).
4Sinuany-Slern Z, Mehrez A, Hadad Yan. DEA/AHP Method for Ranking Decision Making Units[J]. Eurupean Journal of Operational Research, 1999,12 (4).
