Tordillo, Jose Arvin S.  <br/><br/>
Math Plus:   Engineering Mathematics /  
Jose Arvin S. Tordillo  
 - Cebu City, 6000  Tordillo Publishing   c2006.  
<br/><br/><label>ISBN: </label>978-971-92790-3-7 
<br/><br/><label>Dewey Class. No.: </label>Res. 515 T677 2006