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“Indigenous Agroforestry Of Pohnpei: 1. Plant Species And Cultivars”. Agroforestry Systems 16 (2): 139-157. doi:10.1007/BF00129745. https://doi.org/10.1007/BF00129745.
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. 1991. “The Indigenous Knowledge Of Ecological Processes Among Peasants In The People's Republic Of China”. Agriculture And Human Values 8 (1-2): 59-66. doi:10.1007/BF01579657. http://link.springer.com/article/10.1007/BF01579657.
. 1991. “Indigenous Natural-Resource Management Systems For Sustainable Agricultural Development: A Global Perspective”. Journal Of International Development 3 (4): 387-401. doi:10.1002/jid.4010030312. http://onlinelibrary.wiley.com/doi/10.1002/jid.4010030312/abstract.
. 1991. “Leaders In Sustainable Agriculture: Oral History Interview Series”. Afsic Oral History Interview Series. Beltsville, MD: AFSIC. https://www.nal.usda.gov/afsic/oral-history-interview-series.
. 1991. “Multipurpose Palms: The Sugar Palm (Arenga Pinnata (Wurmb) Merr.)”. Agroforestry Systems 13 (2): 111-129. doi:10.1007/BF00140236. https://doi.org/10.1007/BF00140236.
. 1991. “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.
. 1991. Ngo-Government Interaction In Rice-Fish Farming And Other Aspects Of Sustainable Agricultural Development In Thailand. Network Paper Odi, Agricultural Administration (Research And Extension) Network No. 28. London: Agricultural Administration Unit, Overseas Development Institute. http://www.worldcat.org/oclc/25907615.
. 1991. “No Hunting! Biodiversity, Indigenous Rights, And Scientific Poaching”. Cultural Survival Quarterly Magazine 15 (3): 14-18. http://www.culturalsurvival.org/publications/cultural-survival-quarterly/panama/no-hunting-biodiversity-indigenous-rights-and-scient.
. 1991. “Pátzcuaro's Lesson: Nature, Production, And Culture In An Indigenous Region Of Mexico”. In Biodiversity: Culture, Conservation, And Ecodevelopment, 147-171. Boulder, CO: Westview Press. http://www.worldcat.org/oclc/24467584.
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“Soil Fertility Management Of Paddy Fields By Traditional Farmers In The Dry Zone Of Sri Lanka”. Journal Of Sustainable Agriculture 1 (3): 95-106. doi:10.1300/J064v01n03_08. http://www.tandfonline.com/doi/abs/10.1300/J064v01n03_08.
. 1991. Some Missing Policy Links In Nigerian Agricultural Development. Ibadan, Nigeria: Publications Unit IITA (International Institute of Tropical Agriculture). http://www.worldcat.org/oclc/633156914.
. 1991. “The Southern Mount Kenya Forest Since Independence: A Social Analysis Of Resource Competition”. World Development 19 (12): 1695-1704. doi:10.1016/0305-750X(91)90013-8. http://www.sciencedirect.com/science/article/pii/0305750X91900138.
. 1991. Taking Care Of Sibö's Gifts: An Environmental Treatise From Costa Rica's Kéköldi Indigenous Reserve. San José, Costa Rica: Asociación de Desarrollo Integral de la Reserva Indígena Cocles/KéköLdi. http://www.worldcat.org/oclc/24535846.
. 1991. “Traditional Agroforestry Practices In Zimbabwe”. Agroforestry Systems 14 (2): 99-111. doi:10.1007/BF00045726. http://link.springer.com/article/10.1007/BF00045726.
. 1991. “Traditional Tree Crop Based Agroforestry In Coffee Producing Areas Of Harerge, Eastern Ethiopia”. Agroforestry Systems 16 (3): 257-267. doi:10.1007/BF00119322. https://doi.org/10.1007/BF00119322.
. 1991. Tree And Land Tenure In The Eastern Nepal Terai: A Case Study By Rapid Appraisal. Pokhara, Nepal [Kathmandu, Nepal]: IOF (Institute of Forestry)/ YALE/IRG/USAID Institute of Forestry Project and FAO/SIDA Forests, Trees and People Programme. http://www.worldcat.org/oclc/28676224.
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