Castillo, Leticia L., <br/><br/>
College algebra and trigonometry  
Leticia L. Castillo 
 - Mandaluyong City :  National Book Store.  2011. 
 - viii, 771 pages :  figures, tables ;  26 cm. 
<br/><br/> Includes Index. 
<br/><br/><label>ISBN: </label>9710867989 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Algebra--Study and teaching (Higher).<br/>Trigonometry--Study and teaching (Higher).
<br/><br/><label>Dewey Class. No.: </label>512.13   / C278c