@INBOOK {CUDJOE:2005, title = {Whiteflies as vectors of plant viruses in cassava and sweetpotato in Africa: Ghana}, author = {Cudjoe, A. * and Gyamenah, J. and James, B. }, editor = {Anderson, P. and Morales, F. }, year = {2005}, publisher = {Centro Internacional de Agricultura Tropical (CIAT)}, note = {RTB; Root and Tuber}, }