"Seng,Teh,Keng" <br/><br/>
New Syllabus Maths Work Book-4 6Th Edition 

 - Singapore  Oxford Universty Press  2002 
 - 174 
<br/><br/><label>ISBN: </label>9780195979626 
<br/><br/><label>Dewey Class. No.: </label>510  / T 85