00365nam a2200157Ia 4500008004100000020000900041035001000050082001700060100000900077245003500086250000600121260006000127300000800187500000600195650000600201210723s9999||||xx |||||||||||||| ||und||  aNULL  a37908  a621.381BCDA  aCdac 0aInformation Technology Khand 1  a-  aN. DelhibTata McGraw - Hill Publishing Company Limited  a258  a0  a-