Fernando, B.K.N.S.; Jayaweera, B.P.A.; Ranaweera, B.; Edirisinghe, U.(Faculty of Agriculture and Plantation Management, Wayamba University of Sri Lanka, Makandura, 2005)
Warnasuriya, W.M.A.N.; Wijetilaka, L.C.; Ranaweera, B.(Faculty of Agriculture and Plantation Management, Wayamba University of Sri Lanka, Makandura, 2005)
Ekanayake, E.M.M.S.; Wijetilaka, L.C.; Ranaweera, B.(Faculty of Agriculture and Plantation Management, Wayamba University of Sri Lanka, Makandura, 2005)
Nawarathna, N.D.M.H.C.; Edirisinghe, U.; Ranaweera, B.; Jayaweera, B.P.A.(Faculty of Agriculture and Plantation Management,Wayamba University of Sri Lanka, Makandura, 2006)
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)
Indulgoda, I.P.M.; Loganathan, M.B.; Jayasekera, S.J.B.A.; Ranaweera, B.(Faculty of Agriculture and Plantation Management,Wayamba University of Sri Lanka, Makandura, 2006)