Eckaus, Richard S. <br/><br/>
Appropriate technologies for developing countries 

 - Washington  National Academy of Sciences  1977 
 - xii,140p.  23cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Underdeveloped areas Technology
<br/><br/><label>LC Class. No.: </label>HC59.7.E25