Harris, J. <br/><br/>
The School Mathematics Project .book E 

 - New York :  Cambridge University Press,  1970. 
 - viii,168p.;  25cm 
<br/><br/><label>ISBN: </label>521-07862-8 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mathematics
<br/><br/><label>Dewey Class. No.: </label>510.7  / SCH