Reyes, Edgardo A. <br/><br/>
Plane Trigonometry:  Simplified and Integrated. 

 - 1st./ed 
 - 241p  21.5cm. 
<br/><br/><label>ISBN: </label>9710807838 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Plane Trigonometry--1979--Manila, Philippines--newsprint