Conyers, D. author Agro-economic zones of Southern Tanzania - Dar es Salaam University of Dar es Salaam 1971 - iv,75p. : ill. ; 34cm. - Research Report; 49 . Subjects--Personal Names: Subjects--Topical Terms: AgricultureEconomic conditions, Tanzania LC Class. No.: EAF QTO H62.5.T3E2 No.49