Enrichment mathematics for the grades  : twenty-seventh yearbook 

 - Washington, D.C.,  :National Council of Techars of Mathematics  1963. 
 - ix,368p.  ill.  23cm. 
 - Yearbook (Natioanal Council of Teachers of Mathematics; 27th .
<br/><br/>Bibliography: p.331-368. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mathematics<br/> Study and teaching
<br/><br/><label>LC Class. No.: </label>MTH QA1.N3