P. D. Dunn <br/><br/>
Appropriate technology : Technology with a human face 

 - London  Macmillan Press Limited  1978 
 - 220p 
<br/><br/>P. D. Dunn: Appropriate technology : Technology with a human face.  London.  Macmillan Press Limited, 1978. 0-333-24207-6--(602DUN)   
<br/><br/><br/>ENGLISH 
<br/><br/><label>ISBN: </label>0-333-24207-6 
<br/><br/><label>Dewey Class. No.: </label>602  / DUN