7W W Cooper,Shanling Li,L M Seiford,et al. Sensitivity and Stability Analysis in DEA: Some Recent Development [J]. Journal of Productivity Analysis, 2001 ( 15 ) : 217-246.
7[1]A Charnes, W W Cooper, E Rhodes. Measuring the efficiency of decision- making units [J]. European Journal of Operational Research,1978, 2: 429-444.
8[2]W D Cook, M Kress, L M Seiford. Data envelopment analysis in the presence of both quantitative and qualitative factors [J]. Journal of the Operational Research Society, 1996, 47:945 - 953.
9[3]W D Cook, M Kress, L M Seiford. On the use of ordinal data in data envelopment analysis [J]. Journal of the Operational Research Society,1993, 44:133 - 140.
10[5]Y- H Wong, J E Beasley. Restricting weight flexibility in data envelopment analysis [J] . Journal of the Operational Research Society, 1990,41: 829 - 835.