TY - BOOK AU - Conyers,D. TI - Agro-economic zones of Southern Tanzania T2 - Research Report; 49 AV - EAF QTO H62.5.T3E2 No.49 PY - 1971/// CY - Dar es Salaam PB - University of Dar es Salaam KW - KW - Agriculture KW - Economic conditions KW - Tanzania ER -