00474pamaa2200157 4500 0000012724 20130814090000.0 0130375810 519.72 SHU T57.74 SHU 1993 SHU-CHERNG Linear optimization and extensions : theory and algorithms Shu-Cherng Fang and Sarat Puthenpura. New Jersey: Prentice Hall, 1993. xv, 302p.: 24cm. Linear programming Puthenpura, Sarat