National council of teachers of mathematics <br/><br/>
National council of teachers of mathematics 

 - Washington  Insights into modern mathematics  1957 
 - viii,440p. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>T:3Bl7361:N35
<br/><br/><label>Dewey Class. No.: </label>T:3Bl7361:N35  / G5.23