Sonza, Michelle S., <br/><br/>
Math world 5/ 
Michelle S. Sonza. 
 - Quezon City :  C & E Publishing, Inc.,  2011. 
 - viii, 626 pages :  Ilustrations, Tables :  26 cm. 
<br/><br/><br/>English 
<br/><br/><label>ISBN: </label>9789710172566 
<br/><br/><label>Dewey Class. No.: </label>510  / M52