Algebra :  Tools for a changingf world / 

 - Philippines :  Pearson Education south Asia Pte. Ltd.  c2005. 
 - 546 p. 
<br/><br/>
<br/><br/><label>ISBN: </label>981-247-863-2 
<br/><br/><label>Dewey Class. No.: </label>CIR 512 A133 2005