Whitby, M C <br/><br/>
Rural resource development: An economic approach 

 - 2nd ed. 
 - London  Methuen  1978 
 - 303 p. 
<br/><br/><label>ISBN: </label> PON4.75 
<br/><br/><label>Dewey Class. No.: </label>301.35 W581R