5[1]Cooper W W, Seiford L M, Tone K. Data Envelopment Analysis[M]. Boston: Kluwe Academic Publishers, 2000
6[2]Charnes A, Cooper W, Rhodes E. Measuring the efficiency of decision making units[J]. European Journal of Operations Research, 1978, 2(6): 429-444
7[3]Zhang X S, Cui J C. A project evaluation system in the state economic information system of China-An operations research practice in public sectors[J]. International Transactions on Operations Research, 1999, 6: 441-452
8[4]Wei Quanling, Zhang Jianzhong, Zhang Xiangsun. An inverse DEA model for input/output estimate[J]. European J. of Operational Research, 2000, 121: 151-163
