4.Journals Published in Sri Lanka

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Impact of research on tea production in Sri Lanka
(Postgraduate Institute of Agriculture, University of Peradeniya:Peradeniya, 1997) Weerahewa, J.; Goddard, E.; Perera, G.M.S.
Impact of rice research on rice production in Sri Lanka
(Postgraduate Institute of Agriculture, University of Peradeniya:Peradeniya, 2000) Niranjan, S.K.D.F.F.; Jogaratnam, T.; Weerahewa, J.
The effect of trade policies on returns to rice research in Sri Lanka:an analysis
(Postgraduate Institute of Agriculture, University of Peradeniya:Peradeniya, 2001) Niranjan, S.K.D.F.F.; Jogaratnam, T.; Weerahewa, J.