Caras, Madeline S. <br/><br/>
Plane trigonometry / 
Madeline S. Caras; Jonathan B. Cabero, editor  
 - Manila:  Booklore,  c2008. 
 - 155p.;  ill. 
<br/><br/><label>ISBN: </label>978-971-817-139-4 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Trigonometry 
<br/><br/><label>Dewey Class. No.: </label>Fil. 516.242 P712 2008