Shanika, M.L.J.; Samarasekara, C.S.; Vidanarachchi, J.K.; Ranadheera, C.S.; Jayawardana, N.W.I.A.(Faculty of Agriculture - Rajarata University of Sri Lanka, 2012-11-15)
Rathnayake, M.R.M.P.K.; Kahandage, P.D.; Weerasooriya, G.V.T.V.; Bandara, H.M.N.A.(Faculty of Agriculture - Rajarata University of Sri Lanka, 2011-09-16)