Algebra and trigonometry / 
Jonathan B. Cabero ; Madeleine M. Caras ; Lorina G. Salamat ; Antonia C. Sta. Maria 
 - Mandaluyong City :  National Book Store,  2008. 
 - vii, 252 p.; 25.5cm. 
<br/><br/><label>ISBN: </label>9710868748 
<br/><br/><label>Dewey Class. No.: </label>Fil 510 C112 2008