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)
Mohamed Ali, I.L.; Ginigaddara, G.A.S.; Kahandage, P.D.; Fernando, A.P.S.; Bandara, A.M.K.R.(Faculty of Agriculture - Rajarata University of Sri Lanka, 2012-11-15)