Plane geometry with basic trigometry :  a simplified approach / 
Sarmiento, Felipe M. 
 - rev. ed. 
 - Manila :  Unlimited Books Library Services & Publishing Inc.,  2022. 
 - viii, 275 p.; 25.2cm. 
<br/><br/>includes references 
<br/><br/><label>ISBN: </label>9786214270996 
<br/><br/><label>Dewey Class. No.: </label>Fil 516 Sa246 2022