Mataas na Matimatika 
Villalobos Socorro L. 
 - First edition. 
 -  1997 
 - 280 pages. 
<br/><br/>
<br/><br/><label>ISBN: </label>9-71878134-X 
<br/><br/><label>Dewey Class. No.: </label>F 510.994 V66m 1997