@INPROCEEDINGS {KHIZZAH:2003, title = {Open quarantine: a successful approach to regional exchange of improved cassava germplasm}, author = {Khizzah, B. and Whyte, J. and Ojulong, H. and Dixon, A. }, booktitle = {Paper presented at: 13th Symposium of the International Society of Tropical Root Crops (ISTRC); 10-14 November}, year = {2003}, location = {International Conference Center, Arusha, Tanzania}, note = {RTB; Root and Tuber; Cassava}, }