TY  - BOOK
AU  - Kumaran, T. Vasantha
AU  - Norbert, S. Antony
AU  - Dissanayake, Lakshman
TI  - Indigenous knowledge systems and sustainable development : the case of  pest control by traditional paddy farmers in Sri Lanka
U1  - 910.14 
PY  - 1992///
CY  - Colombo
PB  - Kumaran Book House
KW  - 13
N1  - ns
ER  -