Oronce, Orlando A. <br/><br/>
E-math : advance algebra and trigonometry worktext in mathematics IV / Orlando A. Oronce and Marilyn O. Mendoza 

 - Manila, Philippines  Rex Book Store  c2010. 
 - 550 p. 
<br/><br/>
<br/><br/><label>ISBN: </label>978-971-23-5482-3 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Algebra.<br/>Trigonometry.
<br/><br/><label>Dewey Class. No.: </label>Res 512 Or65 2010