00297nam a2200121Ia 4500008004100000020001500041041001200056100001600068245004000084260002800124300000900152650001400161221030s9999    xx            000 0 und d  a8185749248  aEnglish  aA. P. Verma 0aOperations Researchcby A. P. Verma  bKatsonaNew Delhic2016  a1184  aComputers