TY  - BOOK
AU  - Haverkort, Bertus 
TI  - Joining farmer’s experiments : : experiences in participatory technology development / 
AV  - S494.5.I5  J74 1991
CY  -  	London : Intermediate Technology, 1991.
KW  - Alternative agriculture
KW  - Developing countries.
KW  -  Agricultural innovations
KW  -  Sustainable agriculture
ER  -