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“Nfu's Annual Conference 1991”. Proceedings Of Nfu's Annual Conference 1991: Natural Resource Use And Changing Society, Interdisciplinary Approaches To Development, Agricultural University Of Norway, Aas, 23-24 May 1991.. Aas [Ås], Norway; Oslo, Norway: Norwegian Centre for International Agricultural Development, Agricultural University of Norway; Norwegian Association for Development Research. http://www.worldcat.org/oclc/29625062.
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“Compound Farms Of Southeastern Nigeria: A Predominant Agroforestry Homegarden System With Crops And Small Livestock”. Agroforestry Systems 5 (2): 153-168. doi:10.1007/BF00047519. https://doi.org/10.1007/BF00047519.
. 1987. “Economic Incentives For Conserving Biodiversity: Lessons For Africa”. Ambio 22 (2/3): 144-150. http://www.jstor.org/stable/4314059.
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. 1979. “Multipurpose Leguminous Trees And Shrubs For Agroforestry”. Agroforestry Systems 2 (3): 145-163. doi:10.1007/BF00147030. https://doi.org/10.1007/BF00147030.
. 1985. Manuscript
“Agroforestry Practices In The Dry Regions”. Proceedings From Kenya National Seminar On Agroforestry, Nairobi, Kenya, 12-22 November 1980. Nairobi, Kenya: ICRAF.
. 1980. “Fuelwood, Agro-Forestry, And Natural Resource Management: The Development Significance Of Land Tenure And Other Resource Management/Utilization Systems”. Binghamton, New York: Institute for Development Anthropology. http://www.worldcat.org/oclc/4433438576.
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“African Biodiversity: Foundation For The Future. A Framework For Integrating Biodiversity Conservation And Sustainable Development”. Washington, DC: Biodiversity Support Program. http://www.worldcat.org/oclc/30593020.
. 1993. “African Traditional Ecological Knowledge: A Preliminary Investigation Of Indigenous Or Traditional Ecological Knowledge And Associated Sustainable Management Practices In Africa And Relevance To Cida's Environmental Policy”. Wakefield, Quebec: Canadian International Development Agency.
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