Mahawaththge, S.A.; Perera, W.G.S.; Dassanayake, E.M.(Faculty of Agriculture and Plantation Management,Wayamba University of Sri Lanka, Makandura, 2006)
Premarathna, R.G.J.; Mudalige, U.K.Jayasinghe; Gajanayake, G.M.C.P.B.(Faculty of Agriculture and Plantation Management,Wayamba University of Sri Lanka, Makandura, 2006)
Jayawickrama, J.A.S.N.P.; Salgadoe, A.S.A.; Fernando, T.(Faculty of Agriculture and Plantation Management,Wayamba University of Sri Lanka, Makandura, 2016)
Perera, W.R.S.; Amadoru, I.J.; Gunathilaka, H.A.W.S.; Abeysinghe, D.C.; Dharmadasa, R.M.(Faculty of Agriculture and Plantation Management,Wayamba University of Sri Lanka, Makandura, 2016)
Kulasinghe, K.P.N.; Wijebandara, D.M.D.I.; Nugawela, A.; Fernandopulle, M.N.D.(Faculty of Agriculture and Plantation Management,Wayamba University of Sri Lanka, Makandura, 2013)
Dissanayake, D.M.P.S.; Ratnayake, R.H.M.K.; Amarasinghe, A.A.T.B.(Faculty of Agriculture and Plantation Management,Wayamba University of Sri Lanka, Makandura, 2016)
Anuruddhika, R.V.K.; Edirisinghe, J.; Auwardt, D.M.(Faculty of Agriculture and Plantation Management, Wayamba University of Sri Lanka, Makandura, 2006)
Weerasinghe, W.A.B.S.; Weerakkody, W.J.S.K.; Perera, G.A.K.S.(Faculty of Agriculture and Plantation Management,Wayamba University of Sri Lanka, Makandura, 2016)