TY  - BOOK
AU  - Chambers Robert
AU  - Pacey Arnold
AU  - Thrupp L A
TI  - Farmer first: farmer innovation and agricultural research
U1  - 630.7 
PY  - 1989///
CY  - London
PB  - Intermediate Technology Pub
KW  - Agriculture
KW  - Study and teaching
ER  -