HAVERKORT BERTVS <br/><br/>
Joining farmers experiments experiences in participatory technology development 

 - UK  Intermediate technology  1991 
 - x269p 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Non Governmental organisation
<br/><br/><label>Dewey Class. No.: </label>631.3  / HAV.J