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Manpower development in Tanzania
Okulo, Henry A., (1972)
The population of Kenya, Uganda, Tanzania : World Population Year, 1974
Ominde, Simeon, (1975)
Labor economics and manpower planning in Tanzania
Khamis, Ishaw Abdulla, (1978)
Water development for power and irrigation, the environment and sustainable development
LAAR, A. van de, (1993)
Irrigation development, food production and the state in historical perspective
LAAR, A. van de, (1994)
Economic theory and the natural environment : a historical overview
LAAR, A. van de, (1996)