1. Bellows, B. 1992. Sustainability of steep land bean (Phaseolus vulgaris L.) farming in Costa Rica: an agronomic and socio-economic assessment. Ph.D. Dissertation, University of Florida, Gainesville.
2. Bentley, J.W. and K.L. Andrews 1991. Pests, peasants and publications: anthropological and entomological views of an integrated pest management program for small-scale Honduran farmers. Human Organization 50:113–123.
3. Bojo, J.P. 1991. Economics and land degradation. Ambio 10:75–79.
4. Bunch, R. 1994. The potential of slash/mulch for relieving poverty and environmental degradation. In Slash/Mulch: How Farmers Use It and What Researchers Know About It, eds. H.D. Thurston, M. Smith, G. Abawi, and S. Kearl. Ithaca, NY: Cornell International Institute for Food, Agriculture and Development, Cornell University.
5. Carriere, J. 1991. The crisis in Costa Rica: An ecological perspective. In Environment and Development in Latin America: The politics of sustainability, eds. D. Goodman and M. Redclift. New York: Manchester University Press.