00638nam a2200169Ia 4500008004100000020001500041041000800056082001300064100003300077245009000110250000600200260004500206300000900251650002400260999001900284952016500303210716s2005    xx            000 0 und d  a8121909686  aeng  a003 GUPP  aGupta, Prem Kumar;Hira, D S.  aProblems in operations research; principles and solutions.bPrinciples and solutions.  a1  aNew DelhibS Chand and Company Ltdc2005  a1078  aOperations Research  c199476d199476  00102ddc40738MBAaAIMITbAIMITcORd2005-09-30g220.00iBill no:1156; Bill dt:2005-09-28l0o003 GUPPpMBA02041r2025-07-21 00:00:00v176.00w2021-07-16yBK