Mahungu, N.M.Chheda, H.R.Hahn, S.K.Fatokun, C.A.2007-11-131985-04-012007-11-131985IDRC-221fhttp://hdl.handle.net/10625/21519Réunion: International Society for Tropical Root Crops. Africa Branch, Triennial Symposium, 2d, 14-19 Aug. 1983, Douala, CMDans IDL-6386p. 39-42application/pdffrBook Chapter