Gu B and RM Thrall (2001). “Using DEA to Improve the Management of Congestion in Chinese Industries (1981-1997).” Socio-Econ Plan Sci 35(4): 227-242.
Gu B and RM Thrall (2001). “Using DEA to Improve the Management of Congestion in Chinese Industries (1981-1997).” Socio-Econ Plan Sci 35(4): 227-242.