Conyers, D. Agro-economic zones of Dodoma and Singida - Dar es Salaam : University of Dar es Salaam, 1971. - iv,74p. : ill. ; 34cm. - (Paper; 47) . Subjects--Topical Terms: AgricultureEconomic conditionsDodomaSingidaTanzania (Region) LC Class. No.: EAF QTO H62.5T3E35 No.47