Thompson RG, E Lee and RM Thrall (1992). ?DEA/AR-Efficiency of U.S. Independent Oil/Gas Producers over Time.” Computer and Operations Research 19(5): 377-391.
Thompson RG, E Lee and RM Thrall (1992). ?DEA/AR-Efficiency of U.S. Independent Oil/Gas Producers over Time.” Computer and Operations Research 19(5): 377-391.