Adikari, A.M.N.; Dissanayake, D.M.P.D.; Herath, H.M.I.K.; Wijebandara, D.M.D.I.; Gajanayake, B.(Faculty of Agriculture and Plantation Management,Wayamba University of Sri Lanka, Makandura, 2016)
Bandara, H.M.H.C.; Wickramasinghe, W.M.E.P.; Ratnayake, R.H.M.K.(Faculty of Agriculture and Plantation Management, Wayamba University of Sri Lanka, Makandura, 2005)
Kadigamuwa, H.M.J.J.K.; Sumanasena, H.A.; Gunathilaka, H.A.W.S.(Faculty of Agriculture and Plantation Management, Wayamba University of Sri Lanka, Makandura, 2005)
Edirisinghe, E.A.D.D.; Withanage, S.P.; Attanayaka, D.P.S.T.G.(Faculty of Agriculture and Plantation Management,Wayamba University of Sri Lanka, Makandura, 2006)
Herath, H.M.P.; Attanayaka, D.P.S.T.G.; Ranathunge, R.A.C.A.; Chandrasekaran, N.V.(Faculty of Agriculture and Plantation Management,Wayamba University of Sri Lanka, Makandura, 2013)
Luphzhy, M.P.D.L.; Vivehanthan, K.; Dassanayaka, M.P.; Satharasinghe, D.C.(Faculty of Agriculture and Plantation Management,Wayamba University of Sri Lanka, Makandura, 2016)
Tharindi, P.W.M.; Balasooriya, W.K.; Suganthan, B.; Vivehanthan, K.(Faculty of Agriculture and Plantation Management,Wayamba University of Sri Lanka, Makandura, 2016)
Kumara, U.W.A.; Samarajeewa, P.K.; Attanayaka, D.P.T.S.G.(Faculty of Agriculture and Plantation Management, Wayamba University of Sri Lanka, Makandura, 2005)
Priyadarshane, W.M.C.; Athauda, A.M.T.P.; Abeynayake, N.R.; Anjalee, G.H.I.(Faculty of Agriculture and Plantation Management,Wayamba University of Sri Lanka, Makandura, 2013)