Sadharekha, W.M.G.W.; Balasooriya, B.L.W.K.; Amarawansa, R.P.U.I.; Dandeniya, W.S.; Dharmakeerthi, R.S.(Faculty of Agriculture and Plantation Management, Wayamba University of Sri Lanka:Makandura, 2018)
Wijekoon, H.M.K.G.U.K.; Dissanayake, D.M.P.S.; Weerakkody, W.J.S.K.(Faculty of Agriculture and Plantation Management, Wayamba University of Sri Lanka,:Makandura, 2018)
Abeysinghe, A.M.S.M.; Seneviratne, K.A.C.N.; Yakandawala, K.; Seneviratne, G.; Adikaram, N.K.B.(Faculty of Agriculture and Plantation Management, Wayamba University of Sri Lanka:Makandura, 2018)
Munasinghe, M.A.B.J.; Balasooriya, B.L.W.K.; Piyathilaka, M.A.P.C.; Amarawansa, R.P.U.I.; Dandeniya, W.S.; Dharmakeerthi, R.S.(Faculty of Agriculture and Plantation Management, Wayamba University of Sri Lanka:Makandura, 2018)
Sunil, A.J.Y.A.D.; Balasooriya, B.L.W.K.; Amarawansa, R.P.U.L.; Dandeniya, W.S.; Dharmakeerthi, R.S.(Faculty of Agriculture and Plantation Management, Wayamba University of Sri Lanka:Makandura, 2018)
Welegedara, W.M.P.K.; Balasooriya, B.L.W.K.; Rathnayake, W.M.U.K.; Dandeniya, W.S.; Amarawansa, I.(Faculty of Agriculture and Plantation Management, Wayamba University of Sri Lanka:Makandura, 2018)
Rajapaksha, E.R.G.I.C; Seneviratne, K.A.C.N.; Yakandawala, K.; Seneviratne, G.(Faculty of Agriculture and Plantation Management, Wayamba University of Sri Lanka,:Makandura, 2018)
Ekanayake, W.V.D.S.; Ranaweera, B.; Karunarathna, K.H.M.I.(Faculty of Agriculture and Plantation Management, Wayamba University of Sri Lanka,:Makandura, 2018)