Reyes, Edgardo A. <br/><br/>
Plane trigonometry :  simplified and integrated / 
by Edgardo A. Reyes. 
 - Manila :  National Book Store,  1979, c1963. 
 - xii, 241 p. : ill. 
<br/><br/> Includes index. 
<br/><br/><label>ISBN: </label>9710807838 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Trigonometry, Plane.<br/>Logarithms.