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)
Amarasinghe, N.H.B.S.; Ranaweera, B.; Suraweera, P.A.C.N.B.(Faculty of Agriculture and Plantation Management,Wayamba University of Sri Lanka, Makandura, 2013)
Kumari, G.G.S.; Kumari, S.A.S.M.; Vithana, M.D.K.; Mannanayake, M.A.D.K.(Faculty of Agriculture and Plantation Management,Wayamba University of Sri Lanka, Makandura, 2013)
Godagampala, D.G.A.P.; Jayasekera, S.J.B.A.; Banda, Gunarathna, R.M.(Faculty of Agriculture and Plantation Management,Wayamba University of Sri Lanka, Makandura, 2013)