Summer, W. L.  1904- <br/><br/>
The teaching of arithmetic and elementary mathematics / 
by W. L. Summer 
 - 3rd ed. 
 - Oxford :  Basil Blackwell,  1955 
 - vii, 268 p. :  ill. ;  20 cm. 
<br/><br/>Includes bibliographical references and index 
<br/><br/><label>ISBN: </label> USD 12.00 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mathematics--Study and teaching<br/>Arithmetic--Study and teaching<br/>Arithmetic
<br/><br/><label>Dewey Class. No.: </label>510.7