Leon,Alexis. <br/><br/>
Enterprise Resource Planning/ 
Alexis Leon. 
 - 2nd Edition. 
 - New Delhi:  Tata McGraw Hill Education/  2011. 
 - xvii;370p.: 
<br/><br/><label>ISBN: </label>9780070656802 
<br/><br/><label>Dewey Class. No.: </label>658.4012 LEO.E