Cooper WW, B Gu and S Li (2001). “Note: Alternative Treatments of Congestion in DEA-a Response to the Cherchye, Kuosmanen and Post Critique.” EJOR 132(1): 81-87.

Cooper WW, B Gu and S Li (2001). “Note: Alternative Treatments of Congestion in DEA-a Response to the Cherchye, Kuosmanen and Post Critique.” EJOR 132(1): 81-87.

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