College algebra / 
Perez, Angelita P. ; Ymas, Jr. Sergio E. 
 - 2nd ed. 
 - s.l. :  s.n.,  2002. 
 - 220 p.; 25.4cm. 
<br/><br/>includes bibliography 
<br/><br/><label>Dewey Class. No.: </label>Fil 512 P41 2002