TY  - BOOK
AU  - Food and Agriculture Organization of the United Nations,
TI  - Improved Production Systems as an Alternative to Shifting Cultivation
SN  - 925102121X
U1  - 631 
PY  - 1984///
CY  - Rome
PB  - F.A.O
KW  - Shifting Cultivation
KW  - Techniques, equipment & materials
ER  -