1991
“Building On Local Knowledge: The Challenge Of Agroforestry For Pastoral Areas”. Agroforestry Today (Kenya) 3 (4): 3-7.
. 1991. “Gender, Ecology, And The Science Of Survival: Stories And Lessons From Kenya”. Agriculture And Human Values 8 (1-2): 156-165. doi:10.1007/BF01579669. https://link.springer.com/article/10.1007%2FBF01579669.
. 1991. 1990
“Usufruct Rights To Trees: The Role Of Ekwar In Dryland Central Turkana, Kenya”. Human Ecology 18 (2): 163-176. http://www.jstor.org/stable/4602963.
. 1990. 1988
Indigenous Technical Knowledge In Farming Systems And Rural Technology: A Bibliography On Eastern Africa. Working Paper (Technische Hogeschool Twente. Vakgroep Ontwikkelingskunde) No. 38. [Enschede, Netherlands]: University of Twente, Technology and Development Group. http://www.worldcat.org/oclc/38348173.
. 1988. 1981
“Management Of Agroforestry Systems In Kenya”. In Proceedings From Kenya National Seminar On Agroforestry, Nairobi, Kenya, 12-22 November 1980. Nairobi, Kenya: University of Nairobi and International Council for Research in Agroforestry (ICRAF). http://agris.fao.org/agris-search/search.do?f=2013/US/US2013014353410006998.xml;US201301435398.
. 1981.