Book
. 1990. Conserving The World's Biological Diversity. Gland, Switzerland and Washington, DC: International Union for Conservation of Nature and Natural Resources; World Resources Institute; Conservation International; World Wildlife Fund-US; World Bank. http://www.worldcat.org/oclc/21193600.
. 1995. Property Rights In A Social And Ecological Context: Case Studies And Design Applications. Vol. 94. Washington, DC: World Bank Publications. http://books.google.com/books?id=OFVk3vW8vJ8C.
Book Chapter
. 1987. “Managing Natural Resources For Sustainability”. In Sustainability Issues In Agricultural Development: Proceedings Of The Seventh Agriculture Sector Symposium, 167-181. Washington, DC: World Bank. http://www.worldcat.org/oclc/925356016.
Conference Paper
. 1994. “Indigenous Knowledge And Sustainable Agricultural And Rural Development: Policy Issues And Strategies For The Indisco Programme Of The Ilo”. In Paper Presented At Indisco Sub-Regional Technical Review Meeting, December 13-16, 1994, Chiang Mai, Thailand. Chiang Mai, Thailand.
. 1987. “Notes And Reflections On The Workshop On Farmers And Agricultural Research: Complementary Methods”. In Paper Presented At Ids Workshop On Farmers And Agricultural Research: Complementary Methods, July 26-31, 1987, University Of Sussex. University of Sussex: Brighton, UK.
Journal
. 1993.
Thesis
. 1994. “Farmer Knowledge And Experimentation With Trees And Tree Cultivation In Agroforestry Systems In Rwanda”. East Lansing, MI: Michigan State University, Department of Forestry. http://www.worldcat.org/oclc/33975106.
