00542nam a2200169Ia 4500003000600000005001700006008004100023020001800064040002500082082002300107100002400130245008600154250001200240260004100252300003100293500004800324NORSU20240708075232.0240215s9999    xx            000 0 und d  a0-256-08855-1  aNORSU-DumcNORSU-Dum  a658.05/Ob6/1991/C2  aO’Brien, James A. 0aIntroduction to Information Systems in Business Managementcby James A. O’Brien  a6th ed.  bRichard D. Irwin, Inc.c1991aBoston  axxxviii, 535 pages; 26 cm.  aIncludes bibliographic reference and index.