Abeysekara, A.H.R.P.; Delpitiya, D.G.P.S.; Gunarathna, M.H.J.P.; Silva, S.H.S.A. De.(Faculty of Agriculture - Rajarata University of Sri Lanka, 2012-11-15)
Mubarak, A.J.H.; Thilakarathne, B.M.K.S.; Ranadheera, R.D.C.S.; Jayawadana, N.W.I.A.(Faculty of Agriculture - Rajarata University of Sri Lanka, 2012-11-15)