(Postgraduate Institute of Agriculture, University of Peradeniya:Peradeniya, 2013) Sanjeevani, U.K.P.S.; Indraratne, S.P.; Weerasooriya, S.V.R.; Vitharana, U.W.A.
(Postgraduate Institute of Agriculture, University of Peradeniya:Peradeniya, 2003) Dias, K.M.G.D.N.; Indraratne, S.P.; Seneviratne, H.N.; Edirisinghe, A.G.H.J.
