4.Journals Published in Sri Lanka
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Item The dynamic environment(The Tea Research Institute. Talawakele, 1971) De Silva, R.L.Item Conversion to the metric system(The Tea Research Institute. Talawakele, 1971) De Silva, R.L.Item A short history of the Tea Research Institute of Ceylon(1967) De Silva, R.L.Item Proposals for the diversification of agriculture on tea plantations 3. introduction of high-yielding fodder grasses on ravine lands in tea estates(Tea Research Institute. Thalawakele, 1980) Rajasingham, C.C.; Ramaratnam, S.S.; De Silva, R.L.