1. Arnold, J. E. M., Liedholm, C., Mead, D., & Townson, I. M. (1994). Structure and growth of small scale enterprises in the forest sector in southern and eastern Africa. OFI Occasional Paper No. 47. Oxford Forestry Institute, University of Oxford, Oxford
2. Ashworth, V. A. (1990). Agricultural technology and the communal farm sector. Mimeo. Washington, DC: World Bank
3. Balderrama, S., Fenta, T., Hussein, A., Jackson, C., Midre, M., Scott, C., Vasquez, C., & de Vos, J. (1988). Farming system dynamics and risk in a low potential area: Chivi South, Masvingo Province, Zimbabwe. ICRA Bulletin No. 27. Wageningen, The Netherlands: ICRA
4. Behnke, R. H., & Scoones, I. (1992). Rethinking range ecology: implications for rangeland management in Africa. World Bank Environment Working Paper No. 53, World Bank, Washington, DC
5. Food consumption patterns of the people in the Mutambara district of Zimbabwe;Benhura;Central African Journal of Medicine,1990