Dharmathilaka, R.S.M.S.S.; Amadoru, I.J.; Gunathilake, H.A.W.S.; Abeysinghe, D.C.; Dharmadasa, R.M.(Faculty of Agriculture and Plantation Management,Wayamba University of Sri Lanka, Makandura, 2016)
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)
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)
Gimhani, D.R.; Basnayake, B.M.V.S.; Dassanayake, E.M.(Faculty of Agriculture and Plantation Management, Wayamba University of Sri Lanka, Makandura, 2005)
Jayamaha, D.J.M.N.; Samarajeewa, P.K.; Attanayaka, D.P.S.T.G.(Faculty of Agriculture and Plantation Management,Wayamba University of Sri Lanka, Makandura, 2006)
Rajapaksha, R.L.T.N.; Silva, D.A.C.; Athauda, A.M.T.P.(Faculty of Agriculture and Plantation Management,Wayamba University of Sri Lanka, Makandura, 2006)
Thilakarthne, N.S.; Weerakkody, W.J.S.K.; Wijesundara, D.S.A.(Faculty of Agriculture and Plantation Management, Wayamba University of Sri Lanka, Makandura, 2005)