1985
“The Guesselbodi Experiment: Bushland Management In Niger”. Rural Africana 23-24: 67-77.
. 1985. 1986
Women And Community Forestry In Sudan. [Rome]: Food and Agriculture Organization of the United Nations. http://www.worldcat.org/oclc/34367596.
. 1986. 1992
Soil And Water Conservation In Sub-Saharan Africa: Towards Sustainable Production By The Rural Poor: A Report. Amsterdam: International Fund for Agricultural Development (IFAD). http://www.worldcat.org/oclc/30624582.
. 1992.