Knowled, R., <br/><br/>
Economic and social geography   

 - 10th /   2000. 
 - Delhi:  Rupa & Copany.  2000. 
 - 336p. 
<br/><br/><label>Subjects--Personal Names: </label><br/>Geography, Geography. 
<br/><br/><label>Dewey Class. No.: </label>910.133