Joining Farmers' Experiments:  Experiences in Participatory Technology Development/ 
edited Bertus Haverkort, Johan Van de Kamp and Waters-Bayer. 
 - London:  Intermediate Technology Publications,  1991. 
 - x, 269 p.:  ill, diagrams;  21 cm. 
<br/><br/>Includes bibliographic references. 
<br/><br/><label>ISBN: </label>9781853391019 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Farming experiments.
<br/><br/><label>LC Class. No.: </label>S 540 Joi