TY  - BOOK
AU  - International Institute of Rural Reconstruction
TI  - Sustainable agriculture Extension Manual: For Eastern and Southern Africa / by
SN  - 0-942717-91-0
U1  - 630.7156 23
PY  - 1998///
CY  - Nairobi
PB  - IIRR
KW  - Sustainable agriculture
KW  - Agricultural systems
KW  - Agricultural ecology
ER  -