"Edgar, Katharine" <br/><br/>
Onward Maths 4 Teacher's Guide(photocopy) 

 - SINGAPORE  Alston House  2011 
 - 335 
<br/><br/><label>ISBN: </label>9789814573375 
<br/><br/><label>Dewey Class. No.: </label>510  / 434-T