Sarmiento, Felipe M. <br/><br/>
Plane geometry with basic trigonometry :  a simplified / 
Felipe M. Sarmiento and Wilfredo N. De Castro.  
 - Manila :  Unlimited Books Library Services & Publishing,   c2016. 
 - viii, 286p. :  ill. 
<br/><br/> Includes references. 
<br/><br/><label>Dewey Class. No.: </label>Fil 516.1   / S246 2016