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Soil survey report of Mishumo refugee settlement / prep. by Food and agriculture organization of the United Nations ; based of the work of E. Bomans, E. de Pauw, E.J. Espinosa.
- National soil service Tanzania,
- 1981.
- Tanga :
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Soil survey report of Ulyankulu refugee settlement / prep. by the Food and agriculture organization of the United Nations ; based on the work of J. Hof, E.J. Espinosa, J.P. Magoggo.
- National soil service Tanzania,
- 1981.
- Tanga :