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International agriculture and trade reports / Africa and the Middle East
(1994)
Labour data collection in African traditional agricultural systems : a methodological review and examination of some Nigerian data
Coleman, Gilroy, (1982)
From tragedy to renaissance : improving agricultural data for better policies
Carletto, Calogero, (2015)
Bibliography of economics in East Africa (Kenya, Tanganyika, Uganda and Zanzibar)
(1958)
Tanganyika population census, 1957 : analysis of total population, certain analyses by race and sex, geographical area, age, religion, and nationality