Studies in mathematics education 
edited by: Morris, Robert 
 - Paris:  Unesco,  1980. 
 - 129p.  vol.1 
<br/><br/><label>ISBN: </label>9231019058 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mathematics-Study and teaching
<br/><br/><label>Dewey Class. No.: </label>510.7  / STU