Mar Molinero C and PF Tsai (1997). “Some Mathematical Properties of a DEA Model for the Joint Determination of Efficiencies.” JORS 48(1): 51-56.
Mar Molinero C and PF Tsai (1997). “Some Mathematical Properties of a DEA Model for the Joint Determination of Efficiencies.” JORS 48(1): 51-56.