Herath, H.M.R.A.; Jayasekera, S.J.B.A.; Debarawatta, R.D.N.; Mudalige, Jayasinghe U.K.; Udugama, J.M.M.; Wijerathne, B.(Faculty of Agriculture and Plantation Management,Wayamba University of Sri Lanka, Makandura, 2013)
Wasana, H.H.L.; Mudalige, Jayasinghe U.K.; Ikram, S.M.M.; Udugama, J.M.M.; Edirisinghe, J.C.; Herath, H.M.T.K.(Faculty of Agriculture and Plantation Management,Wayamba University of Sri Lanka, Makandura, 2013)
Chanika, W.W.D.; Mudalige, Jayasinghe U.K.; Udugama, J.M.M.; Edirisinghe, J.C.; Ikram, S.M.M.(Faculty of Agriculture and Plantation Management,Wayamba University of Sri Lanka, Makandura, 2013)
Dasanayake, D.M.C.S.; Ikram, S.M.M.; Mudalige, Jayasinghe U.K.; Edirisinghe, J.C.; Udugama, J.M.M.(Faculty of Agriculture and Plantation Management,Wayamba University of Sri Lanka, Makandura, 2013)
Bandara, E.G.C.D.; Mudalige, Jayasinghe U.K.; Udugama, J.M.M.; Attanayake, A.M.C.M.; Edirisinghe, J.C.(Faculty of Agriculture and Plantation Management,Wayamba University of Sri Lanka, Makandura, 2013)