Salumbides Jr., Epifanio N. <br/><br/>
Trigonometry : plane and spherical 

 - Quezon City  Royal Publishing House  1963 
 - 103 p 
<br/><br/><label>ISBN: </label>9718609008 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Plane<br/>Spherical<br/>Trigonometry
<br/><br/><label>Dewey Class. No.: </label>Fil 516.242 Sa38t