Clarke, L. Harwood. <br/><br/>
Ordinary Level Mathematics / 
L. Harwood Clarke and F. G. J. Norton. 
 - Seventh edition. 
 - viii, 503 pages ;   cm. 
<br/><br/> Includes answers. 
<br/><br/><label>ISBN: </label>0435503421 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mathematics.