Corle, Clyde G. <br/><br/>
Teaching mathematics in the elementary school. 

 - New York :  Ronald Press Co.,  [1964] 
<br/><br/>Bibliographical footnotes. 
<br/><br/><label>LCCN: </label>64013943 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Arithmetic -- Study and teaching (Elementary)--Arithmetic -- Study and teaching (Elementary)<br/>Geometry -- Study and teaching (Elementary)--Geometry -- Study and teaching (Elementary)