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Agro-economic Zones of Kigoma and Tabora

D. ConyersP. J. NgumbulluP. N. Nnko

出版	University of Dar es Salaam, Bureau of Resources Assessment and Land Use Planning, 1971
URL	http://books.google.com.hk/books?id=GVP1HAAACAAJ&hl=&source=gbs_api