Enrichment mathematics for high school. 

 - Washington : National Council of Teachers of Mathematics,    1963. 
 - ix, 388 p. :    diagrs. ;    23 cm. 
<br/><br/>Includes bibliographies. 
<br/><br/><label>Subjects--Topical Terms: </label><br/> Mathematics -- Study and teaching (Secondary).
<br/><br/><label>Dewey Class. No.: </label>510.7834 LOV