Ibaņez, Edwin D. <br/><br/>
Plane trigonometry/ 
Edwin D. Ibaņez...[and five others] 
 - Malabon City:  Jimczyville Publications,  c2014. 
 - iv, 202 pages:  illustrations;  25 cm. 
<br/><br/><label>ISBN: </label>978-971-0161-88-1 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Trigonometry
<br/><br/><label>Dewey Class. No.: </label>DFil 516.24  / Ib1p