00333nam a2200133Ia 4500008004100000041000800041082001500049100002000064245005200084250000600136260003600142300001200178650000900190210716s1987    xx            000 0 und d  aeng  a005.5 BISA  aBiswas, Anupam.  aUnderstanding business data-processing systems.  a1  aBombaybPopular Prakashanc1987  axiv,253  aNone