TY  - GEN
AU  - Ibrahim , M.N.M
AU  - Schiere , J.B
TI  - Introduction to agricultural system studies
SN  - 9559707418
U1  - 630.11 
PY  - 2002///
CY  - Peradeniya
PB  - Faculty of Agriculture
KW  - FARMING SYSTEM
KW  - AGRICULTURE SYSTEM
KW  - AGRICULTURE
ER  -