1990
The Tropical Forestry Action Plan: What Progress?. Penang, Malaysia: World Rainforest Movement and the Ecologist. http://www.worldcat.org/oclc/23738011.
. 1990. 1986
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.