TY  - GEN
AU  - Wijeratne, Mahinda
TI  - Farmer, extension and research in Sri Lanka: an empirical study of the agricultural knowledge system with special reference to Matara district
U1  - 630.715 
PY  - 1988///
CY  - Sri Lanka
PB  - Faculty of Agriculture, University of Ruhuna
KW  - Agriculture
ER  -