Haag Stephen <br/><br/>
Information Systems Essentials 

 - 2nd ed. 
 -  Mc Graw Hill/Irwin, New York  2008 
 - 490 
<br/><br/><br/>ENGLISH 
<br/><br/><label>ISBN: </label>9780071101394 
<br/><br/><label>Dewey Class. No.: </label>658.4038  / HAA/CUM