Werner, J.
Participatory development of agricultural innovations: procedures and methods of on-farm research / Jurgen Werner - Germany Deustsche Gesellschaft fur Technische zusammenarbeit 1993 - 251 pages.
3880854920
Agricultural innovation
630.72 / WER
Participatory development of agricultural innovations: procedures and methods of on-farm research / Jurgen Werner - Germany Deustsche Gesellschaft fur Technische zusammenarbeit 1993 - 251 pages.
3880854920
Agricultural innovation
630.72 / WER