Ymas, Sergio E., Jr. <br/><br/>
Analytic geometry:   with more applications and special topics/ 
Ymas, Sergio E. Jr., Barcelon, Dolores G.  
 - Sampaloc, Manila;  Sta. Monica Printing Corporation,  c2016. 
 -  306 pages; illustrations 
<br/><br/><label>ISBN: </label>9789710438082 
<br/><br/><label>Dewey Class. No.: </label>515.15