Zarepisheh M, M Soleimani-damaneh and L Pourkarimi (2006). “Determination of Returns to Scale by CCR Formulation without Chasing Down Alternative Optimal Solutions.” Applied Mathematics Letters 19(9): 964-967.
Zarepisheh M, M Soleimani-damaneh and L Pourkarimi (2006). “Determination of Returns to Scale by CCR Formulation without Chasing Down Alternative Optimal Solutions.” Applied Mathematics Letters 19(9): 964-967.