Castillo, Aida C. <br/><br/>
Modules in plane trigonometry /   Aida C. Castillo [and two others] 

 - Quezon City, Philippines:   Great Books Trading,   c2003. 
 - v, 133 p.;   23 cm. 
<br/><br/>Includes bibliographical references. 
<br/><br/><label>ISBN: </label>9718581561 
<br/><br/><label>Subjects--Topical Terms: </label><br/>1. Trigonometry.
<br/><br/><label>Dewey Class. No.: </label>Fil. 516.242 C352m 2003