"Seng ,Teh Keng" <br/><br/>
New Syllabus Maths W. Book 1 

 - Karachi  ,Oxford University Press  2008 
 - 162 
<br/><br/><label>ISBN: </label>9780195979596 
<br/><br/><label>Dewey Class. No.: </label>510  / 488-T