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1by Sagua, V.O. (ed.), National Workshop on Ecological Disasters in Nigeria: Drought and Desertification eng 9-12 Dec 1985 Kano (Nigeria), Enabor, E.E. (ed.), Kio, P.R.O. (ed.), Ojanuga, A.U. (ed.), Mortimore, M. (ed.)
Published 1987Texto bibliotecaFAO IT