Plane and spherical trigonometry / 
Elvira C. Catolos ... [and others] 
 - 2013 edition 
 - Malabon City :  Mutya Publishing House, Incorporated,  © 2013 
 - 239 pages ;  25.5 cm 
<br/><br/>Catolos and others (2013). Plane and spherical trigonometry. Malabon City: Mutya Publishing House, Incorporated. 
<br/><br/><label>ISBN: </label>9789718213339 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Trigonometry
<br/><br/><label>LC Class. No.: </label>QA 531  / P6931 2013