Pathirana, A.P.C.S.; Sumanasena, H.A.; Fernandopulle, M.N.D.; Amarasinghe, K.G.A.P.K.; Priyadarshani, K.D.N.(Faculty of Agriculture and Plantation Management,Wayamba University of Sri Lanka, Makandura, 2013)
Ekanayake, N.R.C.D.B.; Amarasinghe, K.G.A.P.K.; Gajanayake, B.; Ranasinghe, C.S.(Faculty of Agriculture and Plantation Management,Wayamba University of Sri Lanka, Makandura, 2016)
Kumarasinghe, A.A.B.; Sumanasena, H.A.; Silva, S.I.C.; Amarasinghe, K.G.A.P.K.; Fernandopulle, M.N.D.(Faculty of Agriculture and Plantation Management,Wayamba University of Sri Lanka, Makandura, 2013)
Amarasinghe, K.G.A.P.K.; Ranasinghe, C.S.; Abeysinghe, D.C.; Perera, A.A.F.L.K.(Senate Research and Higher Degrees Committee, Wayamba University of Sri Lanka, 2017)
Rajapaksha, R.P.K.M.; Suwandharathne, N.I.; Amarasinghe, K.G.A.P.K.; Aratchige, N.S.(Faculty of Agriculture and Plantation Management,Wayamba University of Sri Lanka, Makandura, 2016)
Siriwadhana, S.K.S.N.; Amarasinghe, K.G.A.P.K.; Abeysinghe, D.C.(Faculty of Agriculture and Plantation Management,Wayamba University of Sri Lanka, Makandura, 2016)
Jayasena, R.G.D.; Weerawardena, T.E.; Idamikorala, P.R.; Amarasinghe, K.G.A.P.K.(Faculty of Agriculture and Plantation Management,Wayamba University of Sri Lanka, Makandura, 2016)
Subasinghe, M.R.V.N.; Amarasinghe, K.G.A.P.K.; Dharmadasa, M.(Faculty of Agriculture and Plantation Management,Wayamba University of Sri Lanka, Makandura, 2013)