@ARTICLE {MIGNOUNA:2013c, title = {Economic analysis of seed yam production systems in Nigeria}, author = {Mignouna, D. and Abdoulaye, T. and Alene, A. and Aighewi, B. and Pelemo, O. and Manyong, V. and Asiedu, R. and Akoroda, M. O. *}, journal = {Journal of Root Crops}, year = {2013}, volume = {39}, number = {2}, pages = {221--229}, issn = {0378-2409}, note = {RTB; Yam}, }