Niamir, Maryam. (1990) 1990. 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.
climate
Food and Agriculture Organization of the United Nations (FAO). Soil Resources, Management and Conservation Service. (1984) 1984. Improved Production Systems As an Alternative to Shifting Cultivation. FAO Soils Bulletin No. 53. Rome: Food and Agriculture Organization of the United Nations. http://www.worldcat.org/oclc/11418879.
Hiraoka, Mário, and John O. Browder. (1989) 1989. “Agricultural Systems on the Floodplains of the Peruvian Amazon”. In Fragile Lands of Latin America: Strategies for Sustainable Development, 75-100. Boulder, CO: Westview Press. http://www.worldcat.org/oclc/18351601.