Strong C. F. <br/><br/>
Teaching for international understanding : An examination of methods and materials 

 - London, UK  Her Majesty's Stationery Office  1952 
 - vi,95p 
<br/><br/><label>Source: </label>Textual 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Education - Sociology