TY  - GEN
AU  - Norman, D. W
AU  - Modiakgotla, E
AU  - Worman, F. D
AU  - Siebert, J. D.
TI  - The farming systems approach to development and appropriate technology generation
SN  - 9251036446
U1  - 631.58 
PY  - 1995///
CY  - Rome
PB  - Food and Agriculture Organization  of the United Nations
KW  - Agriculture and related technologies
KW  - Special methods of cultivation
KW  - Cultivation and harvesting
KW  - Specific techniques
ER  -