O'Brien, James A. <br/><br/>Management information systems:  a managerial end user perspective James A. O'Brien  -- Burr Ridge  Irwin  1993 <br/>xxxiv, 571p.  26cm. <br/><br/> Includes index. <br/><br/><label>ISBN: </label>0256103461 <br/><br/><label>Subjects--Topical Terms: </label><br/>Management information systems<br/><br/><label>Dewey Class. No.: </label>GC 658.4038 Ob6 1993