Madurangi, S.A.P.; Samarasinghe, G.; Senanayake, S.G.J.N.; Hemachandra, R.V.; Ratnasekera, D.(Faculty of Agriculture, University of Ruhuna, Sri Lanka, 2008-10-23)
Jayawardene, H.S.; Thilakarathne, B.M.K.S.; Wijewardene, R.M.N.A.; Disanayake, C.A.K.; Rathnayake, R.M.R.N.K.(Faculty of Agriculture, University of Ruhuna, Sri Lanka, 2013-11-28)
Bandara, M.M.K.; Kekulandara, D.S.; Dissanayake, D.M.R.B.N.; Samarasinghe, W.L.G.; Bamunuarachchige, T.C.(Faculty of Agriculture, University of Ruhuna, Sri Lanka, 2013-11-28)