TY  - BOOK
AU  - Harwood, Richard R.
AU  - 
ED  - 
ED  - 
ED  - 
ED  - 
TI  - : understanding and improving farming systems in the humid tropics 
SN  - 0891586695;0891586997
SN  - 2
PY  - 1979///46
CY  - Boulder, Colo.
PB  - Westview Press
KW  - 
KW  - 2
KW  - 0
KW  - 6
KW  - 20
KW  - Farms, Small.;Agriculture
KW  - Tropics
N1  - Bibliography: p. 145-154; 5
ER  -