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Second report on urban African budget survey held in Northern Rhodesia May to August 1960
(1961)
The soils, vegetation, and agricultural systems of Northwestern Rhodesia : report of the ecological survey
Trapnell, Colin Graham, (1957)
Plateau Tonga entrepeneurs in historical inter-regional trade
Miracle, M. P., (1960)
Micro-level estimates of poverty in Zambia
Simler, Kenneth, (2007)