Ranil, R.H.G.; Pushpakumara, D.K.N.G.; Samitha, S.; Wijesundara, D.S.A.; Dharmasekara, D.U.M.B.(Postgraduate Institute of Agriculture, University of Peradeniya:Peradeniya, 2010)
Gunarathna, H.A.Y.R.; Karunarathne, S.A.; Basnayake, B.F.A.; Sangeetha, T.; Galagedera, L.W.(Postgraduate Institute of Agriculture, University of Peradeniya:Peradeniya, 2010)