1991
“Indigenous Knowledge And Development (Revised Version)”. In . Washington, DC.
. 1991. 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. 1987
“Use Of Ethnoecology In Agroforestry Systems Research: An Example Of Af Technology And Pest Management Research In Kenya”. In Paper Presented At Annual Symposium On Farming Systems Research, October 18-21, 1987, University Of Arkansas, Fayetteville. University of Arkansas, Fayetteville.
. 1987. 1986
“Potential Of The Neem Tree (Azadirachta Indica) For Pest Control And Rural Development”. Economic Botany 40 (2): 201-209. doi:10.1007/BF02859144. http://www.jstor.org/stable/4254854.
. 1986. 1983
“Developing Sustainable Agroecosystems”. Bioscience 33 (1): 45-49. doi:10.2307/1309244. http://bioscience.oxfordjournals.org/content/33/1/45.
. 1983.