Harris, Joyce and others <br/><br/>
The school mathematics projects  : book C 

 - Cambridge  ; Cambridge University Press  , 1969 
 - viii,177p. 
<br/><br/><label>ISBN: </label>0521069556  £0.58 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mathematics
<br/><br/><label>Dewey Class. No.: </label>510  / HAR