GunasekAra, M.P.N.I.; Ranaweera, B.; Kelaniyangoda, D.B.(Faculty of Agriculture and Plantation Management,Wayamba University of Sri Lanka, Makandura, 2006)
Jayawardana, K.N.A.; Ranaweera, B.; Abeysekara, N.N.R.; Kelaniyangoda, D.B.(Faculty of Agriculture and Plantation Management,Wayamba University of Sri Lanka, Makandura, 2006)
Jayathilaka, K.P.R.S.; Kelaniyangoda, D.B.; Ranaweera, B.(Faculty of Agriculture and Plantation Management,Wayamba University of Sri Lanka, Makandura, 2006)
Priyadarsani, K.A.L.; Kelaniyangoda, D.B.; Samaraweera, S.(Faculty of Agriculture and Plantation Management,Wayamba University of Sri Lanka, Makandura, 2006)
Rajathewa, R.M.A.D.H.; Kelaniyangoda, D.B.; De Silva, R.S.Y.(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)