@ARTICLE {IBANA:2012,
title = {Economic analysis of commercial seed yam production systems in the Sub-humid ecologies of the river Niger},
author = {Ibana, S. * and Coyne, D. and Claudius-Cole, A. O. * and McNamara, N. and Morse, S. },
journal = {Journal of Crop Improvement},
year = {2012},
volume = {26},
number = {1},
pages = {22--28},
issn = {1542-7528},
note = {RTB; Root and Tuber; Yam},
doi = {10.1080/15427528.2011.609584},
}