1. Towards a new development strategy. How to include small-scale farmers in the biotechnological innovation process;Broerse,1998
2. Minutes of Planning Meeting: Indigenous Soil and Water Conservation Project, Phase 2;CDCS,1997
3. Farmer first: farmer innovation and agricultural research,1989
4. Individuals with initiative: network farmers in Lesotho;Critchley,1996
5. Indigenous soil and water conservation: a review of the state of knowledge and prospects for building on traditions;Critchley;Land Degradation and Rehabilitation,1994