Fomunyam, R.T.Adegbola, A.A.Oke, O.L.2007-11-131984-04-012007-11-131984IDRC-221ehttp://hdl.handle.net/10625/19879Meeting: International Society for Tropical Root Crops. Africa Branch, Triennial Symposium, 2d, 14-19 Aug. 1983, Douala, CMIn IDL-7377p. 114-116application/pdfenBook Chapter