Oronce, Orlando A. <br/><br/>
E-math :  advanced algebra and trigonometry / 
Orlando A. Oronce and Marilyn  O. Mendoza . 
 - Manila :  Rex Book Store ,  2010 . 
 - 550 pages :  figures ;  25 cm. 
<br/><br/> includes index 
<br/><br/><label>ISBN: </label>9789712354823 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Math<br/>Algebra<br/>Trigonometry
<br/><br/><label>Dewey Class. No.: </label>512.13  / Or65e