"Teh keng seng,Loh cheng yee,Joseph yeo,Lvy chow" <br/><br/>
Mathematics 4 6th edition 

 - Karachi  Oxford  2009 
 - 300 
<br/><br/><label>ISBN: </label>9780195979589 
<br/><br/><label>Dewey Class. No.: </label>510  / T593