Werner ,Jurgen  <br/><br/>
_Participatory Development of Agricultural Innovations Procedures and Methods of On-Farm Research/ 
Jurgen werner  
 - Germay Deutsche Gesellschaft Fur Technische Zusammenarbeit 1993  
<br/><br/> Includes index  
<br/><br/><label>ISBN: </label>3880854920 
<br/><br/><label>Subjects--Topical Terms: </label><br/>_Farm research 
<br/><br/><label>LC Class. No.: </label>HD 1476 .W47 1993