Reyes,Edgardo A. <br/><br/>
Plane trigonometry:simplifiedd and integrated  :simplifiedd and integrated/ 
Edgardo A. Reyes 
 - Mandaluyong City:  National Bookstore;  c1979. 
 - 257pages:  with Illustration:  21 cm. 
<br/><br/>Includes Index 
<br/><br/><label>ISBN: </label>9710807838 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Plane Trigonometry
<br/><br/><label>LC Class. No.: </label>QA533  / .R4572 1979