The School Mathematics Project Book A. 
Cambridge, At The University Press 
 - Cambridge University Press :  Syndicate of the Cambridge University Press,  c1968 [reprinted 1968]. 
 - viii, 146 p. :  illus.,  24 cm. 
<br/><br/>Includes index. 
<br/><br/><label>ISBN: </label>0521069416 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mathematics.
<br/><br/><label>Dewey Class. No.: </label>510  / SCH 1969