Baltazar, Ethel Cecille M. <br/><br/>
Plane and spherical trigonometry:  text/workbook / 
Ethel Cecille M. Baltazar, Ana Liza M. Dy and Melvin A. Vidar. 
 - Quezon City:  C & E Publishing, Inc.,  c2014 
 - 257 pages :  ill., b & w,  26 cm. 
<br/><br/> In 
<br/><br/>Includes bibliographical references. 
<br/><br/><label>ISBN: </label>9789719801641 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Plane and spherical trigonometry.
<br/><br/><label>LC Class. No.: </label>FIL QA 531  / B35 2014