Browsing by Author "Gunawardena, A.T.M."
Now showing 1 - 1 of 1
- Results Per Page
- Sort Options
Item The effectiveness of agricultural extension methodology(Hector Kobbekaduwa Agrarian Research and Training Institute:Colombo, 1977) Nikahetiya, S.B.R.; Gunawardena, A.T.M.; Asmar, Samir; Wijeratne, C.M.; Agrarian Research and Training Institute