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.
1853391018
93014345
Sustainable agriculture--Developing countries.
Agricultural systems.
Agricultural--Experiments.
Agriculture--Technology transfer.
Alternative agriculture
1853391018
93014345
Sustainable agriculture--Developing countries.
Agricultural systems.
Agricultural--Experiments.
Agriculture--Technology transfer.
Alternative agriculture