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.
. 1990. “Workshop To Develop An Agroforestry Technology Information Kit, November 4-13, 1989”. Quezon City, Philippines; Silang Cavite, Philippines; Manila, Philippines: Philippene Dept. of Environment and Natural Resources (DENR); International Institute of Rural Reconstruction (IIRR); Ford Foundation (FF). http://www.worldcat.org/oclc/51168241.
. 1990. 1988
“Grassroots Conservation: Veld Products And People”. African Wildlife 43 (6): 286-293.
. 1988.