1990
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. 1990. “Indigenous Knowledge And Economic Production: The Food Crop Cultivation, Preservation And Storage Methods Of A West African Community”. Ecology Of Food And Nutrition 24 (1): 1-20. doi:10.1080/03670244.1990.9991115.
. 1990. “Indigenous Resource Exploitation”. In Ecology And Land Management In Amazonia, 62-85. New York/London: Belhaven Press. http://www.worldcat.org/oclc/21195403.
. 1990. Indigenous Technical Knowledge On Private Tree Management: Final Draft. Ames, IA: Iowa State University. http://www.worldcat.org/oclc/30260806.
. 1990. “Institutional Incompatibility In Community Forestry: The Case Of Nepal”. In Community Organizations And Government Bureaucracies In Social Forestry, 11-25. Honolulu, Hawaii: Environment and Policy Institute, East-West Center. http://www.worldcat.org/oclc/23804282.
. 1990. “International Association For The Study Of Common Property: "Designing Sustainability On The Commons," 27-30 September 1990, Duke University, Durham, North Carolina”. In . Durham, NC: Duke University. https://dlc.dlib.indiana.edu/dlc/browse?value=Designing+Sustainability+on+the+Commons%2C+the+First+Biennial+Conference+of+the+International+Association+for+the+Study+of+Common+Property&type=conference.
. 1990. “Introduction To Agroforestry”. In Agroforestry: Classification And Management, 1-30. New York: Wiley. http://www.worldcat.org/oclc/19222486.
. 1990. “Iterative Increase Of Economic Tree Species In Managed Swidden-Fallows Of The Amazon”. Agroforestry Systems 11 (2): 175-197. doi:10.1007/BF00838727. https://doi.org/10.1007/BF00838727.
. 1990. Joint Management For Forest Lands: Experiences From South Asia. New Delhi, India: Ford Foundation. http://www.worldcat.org/oclc/24551289.
. 1990. Keepers Of The Forest: Land Management Alternatives In Southeast Asia. Kumarian Press Library Of Management For Development. Manilia, Philipinnes; West Hartford, CT: Ateneo De Manila University Press; Kumarian Press. http://www.worldcat.org/oclc/20263005.
. 1990. Land And Water Strategy, The Process Begins: Workbook On Soil. [Winnipeg, MB]: Province of Manitoba [Natural Resources, Water Resources Branch]. http://www.worldcat.org/oclc/184878384.
. 1990. “Land Use, Soil Loss, And Sustainable Agriculture In Rwanda”. Human Ecology 18 (2): 147-161. doi:10.1007/BF00889179.
. 1990. “Land-Use By Immigrant Baoulé Farmers In The Taï Region, South-West Côte D'ivoire (Ivory Coast)”. Agroforestry Systems 11 (2): 101-123. doi:10.1007/BF00838724. http://link.springer.com/article/10.1007/BF00838724.
. 1990. “Living Fences: A Close-Up Look At An Agroforestry Technology”. Agroforestry Today (Kenya) 2 (1): 11-13.
. 1990. “Living Stakes: Kenyan Farmers Introduce An Agroforestry Technology”. Agroforestry Today 2 (2): 8.
. 1990. “Medicine From Plants”. Science 247 (4942): 513. doi:10.1126/science.2300807. http://www.jstor.org/stable/2873781.
. 1990. “Microenvironments Unobserved”. In Proceedings Of The International Symposium On Natural Resources Management For A Sustainable Agriculture, February 6-10, 1990, 179-205. New Delhi: Indian Society of Agronomy.
. 1990. “People In Between: A Case Study On The Kumil Timber Project, Madang Province, Papua New Guinea”. Copenhagen: International Work Group for Ingineous Affairs. http://www.worldcat.org/oclc/22234105.
. 1990. “Plant-Based Livestock Medication”. In Agroforestry Technology Information Kit (Denr/Iirr/Ff).
. 1990. “Program Of Events”. In International Association For The Study Of Common Property: "Designing Sustainability On The Commons," 27-30 September 1990, Held At Duke University, Durham, North Carolina. Durham, NC: Duke University. https://dlc.dlib.indiana.edu/dlc/browse?value=Designing+Sustainability+on+the+Commons%2C+the+First+Biennial+Conference+of+the+International+Association+for+the+Study+of+Common+Property&type=conference.
. 1990. “Promoting The Fertilizer Bush In Agroforestry On-Farm Research: A Participatory Approach”. In Paper Presented At American Society Of Agronomy Conference, October 21-26, 1990, San Antonio, Texas. San Antonio, TX.
. 1990. “Proposal For Research Funding: Formal Representation And Use Of Indigenous Knowledge Of Agroforestry”. University of Wales; University of Edinburgh.
. 1990. “Refugees And Forestry”. USAID.
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