College algebra / 
Mijares, Catalina D. 
 - rev ed. 
 - Mandaluyong City :  National Book Store,  2004. 
 - 378 p.; 22cm. 
<br/><br/><label>ISBN: </label>9710803271 
<br/><br/><label>Dewey Class. No.: </label>Fil 512 M53 2004