TY  - BOOK
AU  -  Gunawardana, A.M.T.
AU  - Wickramasinghe, M.L.
AU  - Abeyratne, S.
TI  - Farmers' Knowledge and Perception of Improved Technology
T2  - Research Study No. 34
PY  - 1980///
CY  - Agrarian Research and Training Institute
PB  -  Colombo 7, Sri Lanka
KW  - Agriculture
ER  -