Studies in mathematics education, volume 2 / 
edited by Robert Morris. 
 - Paris :  Unesco,  c1981. 
 - x, 179 p. ;  24 cm. 
 - Teaching of basic sciences.  mathematics .
<br/><br/><label>ISBN: </label>9231019058 
<br/><br/><label>LCCN: </label>93023041 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mathematics--Study and teaching (Secondary).