Perera, H.S.R.; Udugama, J.M.M.; Jayasinghe-Mudalige, U.K.(Faculty of Agriculture and Plantation Management,Wayamba University of Sri Lanka, Makandura, 2013)
Serasinghe, S.A.A.Y.P.; Anjalee, G.H.I.; Athauda, A.M.T.P.(Faculty of Agriculture and Plantation Management,Wayamba University of Sri Lanka, Makandura, 2016)
Mirando, J.S.; Fernando, T.H.P.S.; Nugawela, A.; Wijayaratne, C.(Faculty of Agriculture and Plantation Management,Wayamba University of Sri Lanka, Makandura, 2013)
Ranasinghe, R.G.S.M.; Edirisinghe, J.C.; Ratnayake, R.H.M.K.(Faculty of Agriculture and Plantation Management,Wayamba University of Sri Lanka, Makandura, 2016)
Bandaranayke, H.M.S.M.; Ratnayake, R.H.M.K.; Edirisinghe, J.C.(Faculty of Agriculture and Plantation Management,Wayamba University of Sri Lanka, Makandura, 2016)
Dissanayake, K.M.R.; Rodrigo, V.H.L.; Balasooriya, B.M.D.(Faculty of Agriculture and Plantation Management,Wayamba University of Sri Lanka, Makandura, 2006)
Perera, J.K.C.G.K.; Ramanayake, S.M.S.D.; Attanayaka, D.P.S.T.G.(Faculty of Agriculture and Plantation Management,Wayamba University of Sri Lanka, Makandura, 2006)
Jayasundara, J.M.N.S.; Ranasinghe, C.S.; Fernandopulle, M.N.D.(Faculty of Agriculture and Plantation Management, Wayamba University of Sri Lanka, Makandura, 2005)