Joining farmers' experiments :  experiences in participatory technology development / 
edited by Bertus Haverkort, John van der Kamp and Ann Waters- Bayer. 
 - London :  Intermediate Technology Publ.,  1991. 
 - x, 269 p. 
<br/><br/><label>ISBN: </label>1853391018 
<br/><br/><label>LCCN: </label>93014345     
<br/><br/><label>Subjects--Topical Terms: </label><br/>Sustainable agriculture--Developing countries.<br/>Agricultural systems.<br/>Agricultural--Experiments.<br/>Agriculture--Technology transfer.<br/>Alternative agriculture