@INPROCEEDINGS {OKONKWO:2004a, title = {Assessing food quality in farmer participatory varietal selection of Water Yam (Dioscorea alata L.)}, author = {Okonkwo, C. and Dossou, R. * and Zoupoya, K. and N'kpenu, E. and Otoo, E. * and Alhassan, A. Y. and Echekwu, C. A. and Asiedu, R. }, booktitle = {9th Triennial Symposium of the International Society for Tropical Root Crops-Africa Branch (ISTRC-AB); October 31 to November 5, 2004, Mombasa, Kenya}, year = {2004}, address = {Mombasa, Kenya}, note = {RTB; Root and Tuber; Yam}, }