@INPROCEEDINGS {NG: 1983, title = {The application of plant tissue culture for the distribution and conservation of cassava and sweet potato}, author = {Ng, S. Y. C. }, booktitle = {Paper presented at the Symposium on tissue culture of Economically Important Plant, 28 August-2 September 1983, University of Nigeria}, year = {1983}, note = {RTB; Root and Tuber; Cassava}, }