Badua, Pedrito M. ;  <br/><br/>
Pre-Calculus Math ;    (Plane Trigonometry)/  
Badua, Pedrito M. ;  
 - Nueva Ecija;   CLSU Mathematics Faculty;   [c2012]; 
<br/><br/><label>ISBN: </label>9719239641 
<br/><br/><label>Dewey Class. No.: </label>516.24 B132