O'Brien, James A., <br/><br/>
Introduction to information systems :  essentials for the internetworked enterprise / 
James A. O'Brien. 
 - 9th ed. 
 - Boston :  Irwin/McGraw-Hill,  c2000. 
 - xxiv, 510, [74] p. :  col. ill. ;  26 cm. 
<br/><br/>Includes bibliographical references and indexes. 
<br/><br/><label>ISBN: </label>0072297492  TZS 49315/= 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Business<br/>Management
<br/><br/><label>Dewey Class. No.: </label>658.4038 O'BR