Hirimuthugoda, N.Y.; Gunawardhana, H.G.T.N.; Gamage, G.S.; Pethiyagoda, N.A.; Gamage, Kumudu R.(Faculty of Agriculture, University of Ruhuna, Sri Lanka, 2013-11-28)
Hapuararchchi, I; Hirimuthugoda, N.Y; Perera, P.W.A; Samaradiwakara, S; Gunawardane, T(Faculty of Agriculture, University of Ruhuna, Sri Lanka, 2017-01-19)