00334nam a22001217a 4500020001800000082002500018100001500043245006000058260003200118300001900150650000800169650003500177  a9788121938815  a658.4038011  bNAG/T  aNagpal D P  aTextbook on management information systems/cD P Nagpal  aNew Delhi:bS Chand,c2011.  a459p. ;b25cm.  aMIS  aManagement Information Systems