College algebra  / 
Salazar, Douglas A. 
 - 1st ed. 
 - Manila :  Rex Book Store, Inc.,  2010. 
 - xi, 324 p.; 25.3cm. 
<br/><br/>includes references, index 
<br/><br/><label>ISBN: </label>9789712356711 
<br/><br/><label>Dewey Class. No.: </label>Fil 512 S161 2010