Clarke, L. Harwood  1908- <br/><br/>
Ordinary Level mathematics / 
L. Harwood Clarke. 
 - 7th ed. / 
 - London :  Heinemann Educational,  1984. 
 - xvi,503p ;  24cm. 
<br/><br/> With answers.  Previous ed.: 1978. 
<br/><br/>Includes index. 
<br/><br/><label>ISBN: </label>0435503421 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mathematics
<br/><br/><label>Dewey Class. No.: </label>510  / ORD 2007