Identifying and managing plant health risks for key African crops: yam, taro and cocoyam - Mignouna, B.D.; Kumar, P. Lava; Coyne, D.; Bandyopadhyay, Ranajit; Ortega Beltran, A.; Bhattacharjee, Ranjana; Koeyer, D. de (Burleigh Dodds Science Publishing Limited, 2019)