The revolution in school mathematics :  a challenge for administrators and teachers / 
a report. 
 - Washington :  National Council of Teachers of Mathematics,  [1961] 
<br/><br/> "Sponsored by National Council of Teachers of Mathematics."  First published in 1961. 
<br/><br/>Bibliographical footnotes. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mathematics -- Study and teaching.--Mathematics -- Study and teaching.