UNESCO <br/><br/>
New trends in mathematics teaching (Volume -III) 

 - Paris  UNESCO  1973 
 - xii,3,145  Hb  27 
<br/><br/><label>ISBN: </label>92-3-101016-6 
<br/><br/><label>Subjects--Facted Index Terms: </label><br/>
<br/><br/><label>Dewey Class. No.: </label>375.51