Conyers, D. Agro-economic zones of north-eastern Tanzania: Arusha, Kilimanjaro and Tanga D. Conyers, - Dar es Salaam : University of Dar es Salaam, 1970. - 123p. : ill. ; 34cm. Subjects--Topical Terms: AgricultureTanzania Economic conditions LC Class. No.: IRA H62.5.T3E2 No.13