Harris, J. <br/><br/>
The School Mathematics Project .Book D  

 - London :  Cambridge University Press,  1969. 
 - viii,168p.;  ill.;  24cm 
<br/><br/><label>ISBN: </label>521-07589-0 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mathematics
<br/><br/><label>Dewey Class. No.: </label>510.7  / SCH