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. 
 - various pages :  illustrations ;  26 cm. 
<br/><br/>Includes bibliographical references and indexes. 
<br/><br/><label>ISBN: </label>0072297492 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Business--Data processing.<br/>Management--Data processing.
<br/><br/><label>Dewey Class. No.: </label>658.4038 OBR