Dengate, Bob. <br/><br/>
Maths for teenagers / 
Bob Dengate, Ken Gill. 
 - Australia :  Longman Cheshire,  1989. 
 - 125 p. :  ill. 
<br/><br/><label>ISBN: </label>0582867940 
<br/><br/><label>LCCN: </label>90034166     
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mathematics--Problems, exercises etc.<br/>Mathematics--Juvenile literature.