00473nam a2200157 a 450000500170000008200180001710000210003524500490005626000320010530000280013749000570016563000150022263000270023763000220026463000290028620251202164226.0  a658.4038bSCO  aScott, George M.  aPrinciples of management information systems  aNew YorkbMcGraw-Hillc1986  axviii,618p.c25 cm.bPB  aMcGraw-Hill series in Management information systems  aManagement  amanagement information  adata base systems  acomputer service centres