Book
Andenes Y Camellones En El Perú Andino: Historia, Presente Y Futuro. [Lima, Peru]: Ministerio de la Presidencia, Consejo Nacional de Ciencia y Tecnología. http://books.google.com/books?id=BHpgAAAAMAAJ.
. 1986. Appropriate Land Use Systems For Smallholder Farms: A Survey Of Ecological And Socio- Economic Conditions In The Machakos District (Kenya). Berlin, Germany: Technical University of Berlin . http://www.worldcat.org/oclc/14238317.
. 1983. Environmental Accounting For Sustainable Development: Selected Papers From Joint Unep/World Bank Workshops. World Bank Symposium. Washington, DC: The Bank.
. 1989. People And The Tropical Forest: A Research Report From The United States Man And The Biosphere Program. Man And The Biosphere Program Project. Washington, DC: U.S. Department of State, U.S. Man and the Biosphere (MAB) Program, Tropical and Subtropical Forests Directorate. http://www.worldcat.org/oclc/721051055.
. 1987. Socio-Economic Aspects Of Integrated Resource Management, With Special Reference To The Forest Resources Of Kassala Province, Eastern Region: The Case Of Rawashda And Wad Kabu Forests. Fuelwood Development For Energy In Sudan Field Document 13. Khartoum, Sudan: Govt. of the Democratic Republic of Sudan. http://www.worldcat.org/oclc/17919050.
. 1986. Book Chapter
“Agricultura En Camellones En La Cuena Del Lago Titicaca: Aspectos Tecnicos Y Su Futuro”. In Andenes Y Camellones En El Peru Andino: Historia Presente Y Futuro, 331-350. Lima, Peru: Consejo Nacional de Ciencia y Techologia, Oficina de Politica Cientifica y Technologica.
. 1986. “Forest Gardens Of Highland Sri Lanka: An Indigenous System For Reclaiming Forest Land”. In The Cultural Dimension Of Development: Indigenous Knowledge Systems, 174-184. London: Intermediate Technology Publications Ltd [Practical Action Publishing]. https://www.worldcat.org/title/59818080.
. 1995. “From Grain Crops To Tree Crops In The Cuyunon Swidden System”. In Adaptive Strategies And Change In Philippine Swidden-Based Societies, 91-104. Laguna, Philippines: Forest Research Institute College. https://www.worldcat.org/title/10341908.
. 1981. “Indigenous Resource Exploitation”. In Ecology And Land Management In Amazonia, 62-85. New York/London: Belhaven Press. http://www.worldcat.org/oclc/21195403.
. 1990. “Models Of Subsistence And Ethnobiological Knowledge: Between Extraction And Cultivation In Southeast Asia”. In Folkbiology, 91-118. Cambridge, MA: MIT Press. https://www.worldcat.org/title/237343776.
. 1999. “The Question Of Hunter-Gatherer Territoriality: The Case Of The Batek Of Malaysia”. In The Past And Future Of !Kung Ethnography: Critical Reflections And Symbolic Perspectives: Essays In Honour Of Lorna Marshall, 137-162. Hamburg: Helmut Buske Verlag. http://www.worldcat.org/oclc/16967559.
. 1986. “The Question Of Hunter-Gatherer Territoriality: The Case Of The Batek Of Malaysia”. In The Past And Future Of !Kung Ethnography: Critical Reflections And Symbolic Perspectives: Essays In Honour Of Lorna Marshall, 137-162. Hamburg: Helmut Buske Verlag. http://www.worldcat.org/oclc/16967559.
. 1986. Conference Paper
“A Traditional Agro-System In The Amazon Region Of Colombia”. In Tropical Ecology And Development: Proceedings Of The Vth International Symposium Of Tropical Ecology, 509-514. Kuala Lumpur, Malaysia: International Society of Tropical Ecology. http://www.worldcat.org/oclc/7942294.
. 1980. Journal Article
“Deforestation: Interdependency Of Fuelwood And Agriculture”. Oikos 46 (3): 404-412. doi:10.2307/3565841. http://www.jstor.org/stable/3565841.
. 1986. “Deforestation: Interdependency Of Fuelwood And Agriculture”. Oikos 46 (3): 404-412. doi:10.2307/3565841. http://www.jstor.org/stable/3565841.
. 1986. “Ecological Aspects Of Swidden Cultivation Among The Andoke And Witoto Indians Of The Colombian Amazon”. Human Ecology 15 (3): 339-359. doi:10.1007/BF00888030.
. 1987. “The Economy Of The Batek Of Malaysia: Annual And Historical Perspectives”. Research In Economic Anthropology 6: 29-52.
. 1984. “Ethnoecology As Applied Anthropology In Amazonian Development”. Human Organization 43 (2): 95-107. https://www.jstor.org/stable/44125834 .
. 1984. . 1994.
“Promising Agroforestry Systems In Venezuela”. Agroforestry Systems 3 (2): 209-221. doi:10.1007/BF00122644. https://doi.org/10.1007/BF00122644.
. 1985. “The Role Of Agroforestry In The Farming Systems In Rwanda With Special Reference To The Bugesera-Gisaka-Migongo (Bgm) Region”. Agroforestry Systems 4 (4): 271-289. doi:10.1007/BF00048104. http://link.springer.com/article/10.1007/BF00048104.
. 1986. “Spatio-Temporal Variations Of Soil Properties Under Cocoa Interplanted With Kola In A Part Of The Nigerian Cocoa Belt”. Agroforestry Systems 5 (4): 419-428. doi:10.1007/BF00047176. https://doi.org/10.1007/BF00047176.
. 1987.