Copeland, Richard W <br/><br/>
Mathematics and the elementary teacher 

 - 2nd ed. 
 - Philadelphia  W.B. Saunders  1972 
 - ix,336 p. 
<br/><br/><label>ISBN: </label>0721626963 
<br/><br/><label>Subjects--Topical Terms: </label><br/>ELEMENTARY MATHEMATICS<br/>Mathematics<br/>rational numbers
<br/><br/><label>Dewey Class. No.: </label>510  / COP