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. 1990. Amazonia: Voices From The Rainforest. San Francisco: Rainforest Action Network and Amazonia Film Project. http://www.worldcat.org/oclc/232654290.
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“The Banana (Musa Spp.) Coffee Robusta: Traditional Agroforestry System Of Uganda”. Agroforestry Systems 11 (3): 213-226. doi:10.1007/BF00045900. https://doi.org/10.1007/BF00045900.
. 1990. “Cataloging Costa Rica's Diversity: To Make Tropical Biodiversity Useful To Society - And Thus To Save It - The First Step Is Finding Out What There Is To Lose”. Bioscience 40 (9): 633-636. doi:10.2307/1311428. http://www.jstor.org/stable/1311428.
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Community Forestry: Herders' Decision-Making In Natural Resources Management In Arid And Semi-Arid Africa. Community Forestry Note No. 4. Rome: Food and Agriculture Organization of the United Nations. http://www.fao.org/3/t6260e/t6260e00.htm.
. 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.
. 1990. “The Cree View Of Land And Resources: Indigenous Ecological Knowledge”. Taso Research Program For Technology Assessment In Subarctic Ontario, Second Series. McMaster University: Hamilton, Ontario, Canada.
. 1990. “The Ecology And Management Of Insect Pests In Traditional Agroecosystems”. In Ethnobiology : Implications And Applications : Proceedings Of The First International Congress Of Ethnobiology, Belém, 1988, 1:131-143. Belém, Brazil: Museu Paraense Emílio Goeldi. https://www.worldcat.org/title/1025826490.
. 1990. “The Economics Of Traditional Rattan Cultivation”. Agroforestry Systems 12 (2): 163-172. doi:10.1007/BF00123471. https://doi.org/10.1007/BF00123471.
. 1990. “Exploring The Cloud Forests Of Oaxaca, Mexico”. World Wide Fund For Nature Reports (Oct/Nov/Dec): 8-14.
. 1990. Food And Nutrition In The African Rain Forest. Paris: UNESCO/MAB. http://www.worldcat.org/oclc/22740525.
. 1990. “Forest Resource Management And Local Knowledge: An Overview Of Community Forestry Research In Nepal”. In Paper Presented At Second International Congress On Ethnobiology, October 21–26, 1990, Kunming, Yunnan, China. Pokhara, Nepal: Institute of Forestry.
. 1990. “Genes For Sustainable Development: A Briefing On Biodiversity - Towards A Global Convention On The Conservation And Sustainable Utilization Of Biological Diversity”. Barcelona, Spain: Genetic Resources Action International.
. 1990. “Genetic Resource Conservation And Utilization In The Context Of International Development”. Diversity 6 (1): 18-21.
. 1990. Governing The Commons: The Evolution Of Institutions For Collective Action. Cambridge [England]; New York: Cambridge University Press. http://www.worldcat.org/oclc/1119430541.
. 1990. “A Grounded Theory Describing Factors In The Adoption Process Of The Alley Farming Technology By Yoruba Women In Nigeria”. Ames: Iowa State University. doi:https://doi.org/10.31274/rtd-180813-10310. https://lib.dr.iastate.edu/cgi/viewcontent.cgi?article=12247&context=rtd.
. 1990. “Haiti Agroforestry Outreach Project Extension 1987-1989: Final Report”. Washington, DC: Pan American Development Foundation.
. 1990. “Homestead Tree Planting In Two Rural Swazi Communities”. Agroforestry Systems 11 (1): 11-22. doi:10.1007/BF00122809. http://link.springer.com/article/10.1007/BF00122809.
. 1990. “Indigenous Agroforestry Strategies Meeting Farmers' Needs”. In Alternatives To Deforestation: Steps Towards Sustainable Use Of The Amazon Rain Forest., 141-151. New York: Columbia University Press. http://www.worldcat.org/oclc/803206060.
. 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.
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