Castillo, Leticia... [et.al] <br/><br/>
College Algebra. 

 - 1st/ed. 
 - Philippines :  National Book Store,  c2009. 
 - 514p.  illus (np)  24cm. 
<br/><br/><label>ISBN: </label>9710870653 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Algebra--c2009--Philippines--Newsprint