00419nam a2200145Ia 4500008004100000020001800041082001700059100002400076245002300100250002000123260004800143300001900191500004500210700001800255220610s9999    xx            000 0 und d  a9788121902816  a654.403bGUP  a"Gupta, Prem Kumar"  aOperation Research  aRevised Edition  aNew DelhibS. chand company Pvt. Ltd.c2008  aXII;1395P.bPB  a"Doneted by Dr. Moujesh Agrawal, Nagpur"  a" Hira, D.S."