1990
“Indigenous Knowledge And Economic Production: The Food Crop Cultivation, Preservation And Storage Methods Of A West African Community”. Ecology Of Food And Nutrition 24 (1): 1-20. doi:10.1080/03670244.1990.9991115.
. 1990. “Traditional Agriculture And Plant Pathology (Tapp) Database [Ascii Format For The Macintosh]”. Ithaca, NY: Cornell University Department of Plant Pathology.
. 1990.