Barker, Mabel <br/><br/>
Utilisation du milieu géographique / 
Mabel Barker. 
 - Paris :  E. Flammarion,  [1931]. 
 - 249 p. 
 - Education .
<br/><br/>Includes bibliogr. references : ([241]-245) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Education<br/>Education regional