"Segal, Aaron." <br/><br/>
Learning by doing : Science and technology in the developing World. 

 - London  Westview press.  1987 
 - 239 p. : ill. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Science
<br/><br/><label>Dewey Class. No.: </label>500 Seg