High school mathematics / 
Hilario M. Salamida... [et al.]. 
 - Quezon City :  JMC Press,  1999. 
 - 4 v. : ill. 
<br/><br/> Senior authors vary in the volumes 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mathematics--Study and teaching (Secondary)--Philippines