(Postgraduate Institute of Agriculture, University of Peradeniya:Peradeniya, 2011) Ekanayake, R.T.; Malaviarachchi, M.A.P.W.K.; Upashantha, P.S.G.; Fonseka, R.M.; Ranaweera Banda, R.M.
(Postgraduate Institute of Agriculture, University of Peradeniya:Peradeniya, 2008) Paththinige, S.S.; Upashantha, .P.S.G.; Ranaweera Banda, R.M.; Fonseka, R.M.
