New trends in mathematics teaching. 

 - Paris :  Unesco,  1979. 
 - 280 p. :  ill. ;  27 cm. 
 - The teaching of basic sciences: Mathematics ;  iv .
<br/><br/> Open access. 
<br/><br/><label>ISBN: </label>923101546X 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mathematics--Study and teaching.