00305nam a2200109 a 450000500170000002000150001708200180003210000180005024500610006826000430012930000230017220251203110122.0  a8175150858  a658.4038bGUP  aGupta, Uma G.  aManagement information systemsbA Managerial perspective  aNew DelhibGalgotia Publicationsc1998  axxi, 637p.c26 cm.