@MISC {PHILLIPS:2012, title = {Value chain analysis of the yam sectors in Ghana and Nigeria}, author = {Phillips, D. and Boadu, P. and Hussein, E. * and Kleih, U. K. and Mignouna, D. and Ogbonna, M. * and Otoo, E. * and Siwoku, B. *}, year = {2012}, howpublished = {Abstract, P. 90 in Program and Book of Abstracts, 16th Triennial Symposium of the International Society for Tropical Root Crops: Roots and tubers of development and climate change Abeokuta, Nigeria, Sunday 23-Friday 28 September}, note = {RTB; Root and Tuber; Cassava.; Proceedings of 16th Triennial Symposium of the International Society for Tropical Root Crops: Roots and tubers of development and climate change Abeokuta, Nigeria, Sunday 23-Friday 28 September, 2012. 90p.}, }