Lelas V and T Sueyoshi (1997). “Goal Programming Models and Their Duality Relations for Use in Evaluating Security Portfolio and Regression Relations.” EJOR 98(2): 431-443.

Lelas V and T Sueyoshi (1997). “Goal Programming Models and Their Duality Relations for Use in Evaluating Security Portfolio and Regression Relations.” EJOR 98(2): 431-443.

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