"Downes, L.W" <br/><br/>
Countdown Level 4 Maths 

 - India  Edinburgh Oliver & Boyd 1985,OXFORD PRESS,Oxford University Press  1993 
 - 156 
<br/><br/><label>ISBN: </label>019577440x 
<br/><br/><label>Dewey Class. No.: </label>510  / 1096-T