1. Belcher, B., Colfer C., MacDicken, K.G., 2000. Toward INRM: three paths through the forest. Paper presented at the workshop INRM in the CGIAR: Approaches and Lessons, ICLARM, Penang, Malaysia, August 21–25.
2. Biggs, S.D., 1989. A multiple source model of innovation of agricultural research and technology promotion. ODI Agricultural Administration Network Paper: 6. Overseas Development Institute, London.
3. Of Bicycles, Bakelites and Bulbs. Steps Towards a Theory of Sociotechnical Change;Bijker,1994
4. In the Field: An Introduction to Field Research. Contemporary Social Research: 8;Burgess,1984
5. Chambers, R., Jiggins, J., 1986. Agricultural research for resource poor farmers: A parsimonious paradigm. Discussion Paper 220. Institute of Development Studies, University of Sussex, Brighton.