College algebra / 
Young, Felina C. ; Morales, Cristine D. 
 - Manila :  Rex Book Store, Inc.,  2006. 
 - xiv, 493 p.; 21.8cm. 
<br/><br/>includes references, index 
<br/><br/><label>ISBN: </label>9789712344701 
<br/><br/><label>Dewey Class. No.: </label>Fil 512 Y681 2006