"Seng, Teh Keng" <br/><br/>
Mathematics Workbook D1 - 6th Ed. 

 - New York  Oxford Universty Press,  2008 
 - 162 
<br/><br/><label>ISBN: </label>9780195979596 
<br/><br/><label>Dewey Class. No.: </label>510  / T-1443