The local council area of Uboma, Eastern Nigeria. Reconnaissance survey by the Soil Survey Unit of the Eastern Nigeria Ministry of Agriculture ... / 
Corbett, W. M.
Ezeuka, P. N. W.
Lang, D. M.
[Bude :  Geographical Publications Ltd., 
1966]
In: Uboma. A socio-economic and nutritional survey of a rural community in Eastern Nigeria. By H.A. Oluwasanmi, &c.