"Seng, Seng Teh" <br/><br/>
New Syllabus Math Book - 3 6Th Edn. 

 - Karachi  OUP  2009 
 - 417 
<br/><br/><label>ISBN: </label>0000000000000 
<br/><br/><label>Dewey Class. No.: </label>510  / T 565