Giokas D (1997). “Use of Goal Programming and Data Envelopment Analysis for Estimating Efficient Marginal Costs of Outputs.” JORS 48(3): 319-323.
Giokas D (1997). “Use of Goal Programming and Data Envelopment Analysis for Estimating Efficient Marginal Costs of Outputs.” JORS 48(3): 319-323.