1. Multiple objective linear programming with parametric criteria coefficients;Benson;Management Sci.,1985
2. Linear multiple objective problems with interval coefficients;Bitran;Management Sci.,1980
3. Modelos de la programacion lineal difusa para la resolucion de juegos matriciales imprecisos;Campos,1986
4. Multiobjective Decision Making. Theory and Methodology;Chankong,1983
5. Solving the biojective linear programming problem: A fuzzy approach;Delgado,1985