Priyadarshana, R.R.; Wijethilaka, L.C.; Ranaweera, B.(Faculty of Agriculture and Plantation Management,Wayamba University of Sri Lanka, Makandura, 2006)
Pushpakumari, O.P.G.; Siriwardhane, K.P.D.; Rathnayake, R.H.M.K.(Faculty of Agriculture and Plantation Management,Wayamba University of Sri Lanka, Makandura, 2006)
Bandara, A.G.B.S.; Ginige, S.L.; Gajanayake, K.G.M.C.P.B.; Jayasundera, H.(Faculty of Agriculture and Plantation Management,Wayamba University of Sri Lanka, Makandura, 2006)
Weerasinghe, M.D.C.A.; Ranaweera, B.; Wijethunge, P.M.A.P.K.(Faculty of Agriculture and Plantation Management,Wayamba University of Sri Lanka, Makandura, 2006)
Wickramarathne, M.S.; Kelaniyangoda, D.B.; Ranaweera, B.(Faculty of Agriculture and Plantation Management,Wayamba University of Sri Lanka, Makandura, 2006)
Ariyarathne, G.S.D.P.C.; Gajanayake, K.G.M.C.P.B.; Jayasinghe-Mudalige, U.K.; Senaweera, L.(Faculty of Agriculture and Plantation Management,Wayamba University of Sri Lanka, Makandura, 2006)
Bandara, D.R.S.S.; Athauda, A.M.T.P.; Randeniya, R.M.R.; Rathnayake, R.D.(Faculty of Agriculture and Plantation Management, Wayamba University of Sri Lanka, Makandura, 2006)