Wijerathna, M.W.D.P.D.S.; Kadupitiya, H.K.; Munasinghe, M.A.K.; Rajakaruna, R.M.P.(Faculty of Agriculture - Rajarata University of Sri Lanka, 2012-11-15)
Weerakkody, W.P.K.L.; Jayasinghe-Mudalige, U.K.; Udugama, J.M.M.; Fernando, A.P.S.(Faculty of Agriculture - Rajarata University of Sri Lanka, 2012-11-15)