TY  - GEN
AU  - Abeyratne , Fredrick
AU  - Gunasena , H. P. M.  
TI  - Shifting farming : towards stability
U1  - 630.11 
PY  - 1986///
CY  - Colombo
PB  - ARTI
KW  - AGRICULTURE
KW  - SHIFTING FARMING
ER  -