Sarmiento, Felipe M.  <br/><br/>
Plane geometry with basic trigonometry :   a simplified approach / 
Felipe M. Sarmiento and Wilfredo N. De Castro  
 - Manila :   Unlimited Books Library Services & Publishing INC.  c2016. 
 - viii, 286 p.  
<br/><br/>Includes bibliographical references (285) 
<br/><br/>
<br/><br/><label>ISBN: </label>978-971-9654-2 
<br/><br/><label>Dewey Class. No.: </label>Fil. 516.22 S246 2016