Howard, Charles Frederick <br/><br/>
Teaching contemporary mathematics in the elementary school/ 
Charles F. Howard and Enoch Dumas. 
 - New York  Harper & Row  1966 
 - xvi, 309 p.:   ill. ;   22 cm. 
<br/><br/><label>LCCN: </label>66-011464 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mathematics--Study and teaching (Elementary)