//-->
Slacks and congestion: response to a comment by R. Färe and S. Grosskopf
Cooper, W.W., (2001)
Theoretical Papers - Sensitivity analysis of DEA models for simultaneous changes in all the data
Seiford, L.M., (1998)
Some models and measures for evaluating performances with DEA: past accomplishments and future prospects
Cooper, W.W., (2007)