TY  - BOOK
AU  - Duckham, A.N.
AU  - Masefield, G.B.
TI  - Farming systems of the world
U1  - 630.9 L 0 
PY  - 1970///
CY  - Bombay
PB  - Allied Publishers
KW  - Farming System
KW  - World
ER  -