Clarke, L. Harwood <br/><br/>
Ordinary Level mathematics / 
L. Harwood Clarke, F. G. J. Norton 
 - 7th ed. 
 - Heinemann Educational,  2007. 
 - 503 p. :  22 cm. 
<br/><br/><label>ISBN: </label>0435503421 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mathematics
<br/><br/><label>Dewey Class. No.: </label>510  / CLA 2007