Entani T and H Tanaka (2006). “Improvement of Efficiency Intervals Based on DEA by Adjusting Inputs and Outputs.” EJOR 172(3): 1004-1017.
Entani T and H Tanaka (2006). “Improvement of Efficiency Intervals Based on DEA by Adjusting Inputs and Outputs.” EJOR 172(3): 1004-1017.