APPROPRIATE technologies for third world development, proceedings... / 
edited by Austin Robinson 
 - London  Macmillan press  1979 
 - xix, 417 p. 
<br/><br/> Includes index 
<br/><br/><label>ISBN: </label>69922 
<br/><br/><label>Dewey Class. No.: </label>338.9  / APP