The National Council of Teachers of Mathematics <br/><br/>
Learning of mathematics: Its theory and practice yearbook 

 - Washington, DC  The National Council of Teachers of Mathematics  1955 
 - ix,353p 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mathematics
<br/><br/><label>Dewey Class. No.: </label>510.7 NAT