Studies in mathematics education, volume 1 / 
edited by Robert Morris. 
 - Paris :  Unesco,  c1980. 
 - [ix], 129 p. 
 - Teaching of basic sciences.  mathematics .
<br/><br/><label>ISBN: </label>9231017799 
<br/><br/><label>LCCN: </label>93023040     
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mathematics--Study and teaching (Secondary).