Halme M, T Joro, P Korhonen, S Salo and J Wallenius (1999). “Value Efficiency Approach to Incorporating Preference Information in Data Envelopment Analysis.” Management Science 45(1): 103-114.
Halme M, T Joro, P Korhonen, S Salo and J Wallenius (1999). “Value Efficiency Approach to Incorporating Preference Information in Data Envelopment Analysis.” Management Science 45(1): 103-114.