"Ric Pimentel" <br/><br/>
Cambridge Checkpoint Maths, Workbook 1 

 - UK  Trans-Atlantic Publications,Hodder Edu.  2011 
 - 106 
<br/><br/><label>ISBN: </label>9781444144017 
<br/><br/><label>Dewey Class. No.: </label>510  / T-41