1. Bezner, K.R., Snapp, S., Chirwa, M., Shumba, L., and Msachi, R. 2007. Participatory research on legume diversification with Malawian smallholder fanners for improved human nutrition and soil fertility.Experimental Agriculture 43: 437–453.
2. Jansen van Rensburg, H.G. 2002. Demonstration and assessment of sustainable land management practices in the Mlondozi district of Mpumalanga. Final Report for Mlondozi Landcare Project. ISCW Report No. GW/A/2003/05.
3. Kolbe, D.A. 1984.Experiental Learning: Experience as the Source of Learning and Development. Prentice-Hall, Englewood Cliffs, NJ
4. Röling, N. 1997. The soft side of land: socio-economic sustainability of land use systems. In:Proceedings of the International Conference on Geo-information for Sustainable Land Management, 17–21 August, Enschede, The Netherlands. ITC Journal 1997-3/4.
5. Sakurai, T. 2002. Quantitative analysis of collective action: Methodology and challenges. Paper presented at the CAPRI Workshop on Collective Action, Nairobi, 25–28 February 2002. Available online at:www.capri.cgiar.org/pdf/ca sakuria.pdf