Identifying and managing plant health risks for key African crops: cassava - Toko, M.; Neuenschwander, Peter; Yaninek, John S.; Ortega Beltran, A.; Fanou, A.; Zinsou, V.A.; Wydra, K.D.; Hanna, R.; Fotso, A.; Douro-Kpindou, O.K. (Burleigh Dodds Science Publishing Limited, 2019)