Exconde, Ma. Rosario C. <br/><br/>
Basic algebra and spherical trigonometry / 
Ma. Rosario C. Exconde, Lilibeth D. Sabino, Romel L. Marquez, ... et al. 
 - Quezon City:  MaxCor Publishing House, Inc.,  c2013. 
 - 181p.:  ill.;  24cm. 
<br/><br/>Includes bibliographical references. 
<br/><br/><label>ISBN: </label>978-971-0167-14-2 
<br/><br/><label>Subjects--Topical Terms: </label>
<br/><br/><label>Dewey Class. No.: </label>GC 512.13 B311 2013  / 11297