Studies in mathematics education :  Volume 1 
edited by RObert Morris 
 - Paris:  Unesco,  1980 
 - 129p.;  24cm 
<br/><br/><label>ISBN: </label>9231017799 
<br/><br/><label>Subjects--Topical Terms: </label><br/>MATHEMATICS-STUDY
<br/><br/><label>Dewey Class. No.: </label>510.7  / MOR