CLAYTON, H. W. and STRAKER, D. N. <br/><br/>
A Natural Approach ti Mathematics 

 - Australia  Pergamon Press Ltd.  1974 
 - viii, 156p.  ill.  12.4 cm. 
<br/><br/> Includes index. 
<br/><br/><label>ISBN: </label>0080171370 
<br/><br/><label>Subjects--Topical Terms: </label>
<br/><br/><label>Dewey Class. No.: </label>510