by Andoh, H.Y., Gbaha, P., Koua, B.K., Koffi, P.M.E., Touré, S.
Published in Energy for sustainable development (01.12.2010)

by Sako, M K, N'Guessan, Y, Andoh, HY, Koffi, PME, Gbaha, P, Sangare, M K
Published in Journal of applied sciences (Asian Network for Scientific Information) (15.12.2007)