Studies in arithmetic. 

 - London,  University of London Press  [1939-1941] 
 - 2 v.  23 cm. 
 - Publications of the Scottish Council for Research in Education,  13, 18 .
<br/><br/><label>LCCN: </label>e  40000651  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Arithmetic--Study and teaching (Primary)
<br/><br/><label>LC Class. No.: </label>QA135  / .S38 
<br/><br/><label>Dewey Class. No.: </label>372.7