Alferez, Merle S. <br/><br/>
Advanced algebra / 
Merle S. Alferez. 
 - Quezon City :  MSA Publishing House,  2008. 
 - 391 p.: 27.4 cm. 
<br/><br/> Includes index 
<br/><br/><br/>English 
<br/><br/><label>ISBN: </label>971-8740-96-1 
<br/><br/><label>LC Class. No.: </label>512 Al28a