Potter, F. F. <br/><br/>
The teaching of arithmatic 

 - London  Pitman  [19-] 
 - ix, 468p. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>ECONOMICS - CURRICULUMS
<br/><br/><label>Dewey Class. No.: </label>375.511  / P57