The challenges and potential options for controlling virus diseases of legumes and tuber crops in West Africa - Kumar, P. Lava; Mgbechi-Ezeri, J.U.; Eni, A.O.; Akinbade, S.A.; Asiedu, Robert; Dixon, Alfred G.O.; Fatokun, C.A.; Bandyopadhyay, Ranajit (International Crops Research Institute for the Semi-Arid Tropics, 2007)