Herath, H.M.D.T.K.; Atauda, A.M.T.P.; Edirisinghe, J.C.(Faculty of Agriculture and Plantation Management, Wayamba University of Sri Lanka, Makandura, 2005)
Perera, K.S.N.; Ratnayake, R.H.M.K.; Edirisinghe, J.C.(Faculty of Agriculture and Plantation Management,Wayamba University of Sri Lanka, Makandura, 2013)
Idirisinghe, I.M.S.P.; Rathnayake, R.H.M.K.; Edirisinghe, J.C.(Faculty of Agriculture and Plantation Management,Wayamba University of Sri Lanka, Makandura, 2013)
Gamhewage, B.; Jayasinghe-Mudalige, U.K.; Edirisinghe, J.C.; Mendis, M.S.S.; Perera, D.A.M.; Udugama, J.M.M.; Herath, H.M.L.K.(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)
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)