Book
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. Conference Paper
“Notes And Reflections On The Workshop On Farmers And Agricultural Research: Complementary Methods”. In Paper Presented At Ids Workshop On Farmers And Agricultural Research: Complementary Methods, July 26-31, 1987, University Of Sussex. University of Sussex: Brighton, UK.
. 1987. Journal
Agriculture And Human Values. http://www.springerlink.com/content/0889-048x/5/1-2/.
. 1988.