"Seng, Seng Teh" <br/><br/>
New Syllabus Mathematics Book 2 (6Th Ed.) 

 - Karachi  OUP  2009 
 - 399 
<br/><br/><label>ISBN: </label>9780195979565 
<br/><br/><label>Dewey Class. No.: </label>510  / T 563