Sengupta JK (1996). “Data Envelopment Analysis: A New Tool for Improving Managerial Efficiency.” Int J Syst Sci 27(12): 1205-1210.
Sengupta JK (1996). “Data Envelopment Analysis: A New Tool for Improving Managerial Efficiency.” Int J Syst Sci 27(12): 1205-1210.