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Agro-economic zones of Kigoma and Tabora : Assist. by P. J. Ngumbullu, P. N. Nnko
Conyers, D., (1971)
Post independence rural development : the Kigoma district in Western Tanzania
Baharanyi, Bifuko, (1980)
An economic base-line study of the cooperatives in Mbeya Region based on the accounts for 1966/67 and 1967/68
Kibona, A., (1972)