Technological change and rural development in  poor countries 
<label>;</label> Clark, Cal <label>;</label> Roy, Kartik C. 
 - Calcutta  Oxford university press  1994 
 - ix,177p.  22 cm. 
<br/><br/><label>ISBN: </label>0195635833 
<br/><br/><label>Dewey Class. No.: </label>338.9  / TEC