TY  - BK
AU  - De Vries,J.
AU  - Mvena,Z.S.K.
TI  - Sorghum Production by smallholders in Morogoro District, Tanzania
T2  - Rural Economy Research Paper
PY  - 1979///
CY  - Morogoro (Tanzania)
PB  - Dept. of Rural Economy, University of Dar Es Salaam, 
ER  -