Appropriate technology for development: a discussion and case histories 
edited by Donald D. Evans and Laurie Nogg Adler 
 - Boulder  Westview Press  1979 
 - 482p. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Technology
<br/><br/><label>Dewey Class. No.: </label>YA6 Ev15