Charnes A, WW Cooper, ZM Huang and DB Sun (1991). “Relations between Half-Space and Finitely Generated Cones in Polyhedral Cone-Ratio DEA Models.” Int J Syst Sci 22(11): 2057-2077.

Charnes A, WW Cooper, ZM Huang and DB Sun (1991). “Relations between Half-Space and Finitely Generated Cones in Polyhedral Cone-Ratio DEA Models.” Int J Syst Sci 22(11): 2057-2077.

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