TY  - BOOK
ED  - Food and Agriculture Organization of the United Nations.
TI  - Farming systems development: guidelines for the conduct of a training course in farming systems development
SN  - 9251032491
AV  - S494.5.S95 F11
PY  - 1990///
CY  - Rome
PB  - Food and Agriculture Organization of the United Nations
KW  -  
KW  - Agricultural systems
KW  - Farm management
ER  -