Bergen D. —
Disseminating research results is not enough : farmers also need tools for their evaluation and for finding their own solutions (Text in French),
p. 76-61. vol. 11 no 2
- PDF text
1992
Bergen D., Nivyobizi A. —
Institut des Sciences Agronomiques du Burundi (ISABU) 30 years of agronomical research. Making acquaintance with ISABU and its Ateliers (Text in French),
p. 115-118. vol. 10 no 3
- PDF text