Eckaus, Richard S.  <br/><br/>
Appropriate Technologies for Developing Countries 

 - Washington :  National Academy of Science,   1977. 
 - xiii, 140p.;  23cm 
<br/><br/><label>ISBN: </label>0309026024 
<br/><br/><label>Subjects--Topical Terms: </label><br/>E.L Wijemanna Collection<br/>Production
<br/><br/><label>Dewey Class. No.: </label>338.9  / ECK