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)
Pathiraja, P.M.A.S.; Ranaweera, B.; Rathnayake, R.H.M.K.(Faculty of Agriculture and Plantation Management,Wayamba University of Sri Lanka, Makandura, 2013)
Ariyarathne, G.S.D.P.C.; Gajanayake, K.G.M.C.P.B.; Jayasinghe-Mudalige, U.K.; Senaweera, L.(Faculty of Agriculture and Plantation Management,Wayamba University of Sri Lanka, Makandura, 2006)
Kulathunga, P.S.S.H.; Edirisinghe, D.P.D.S.; Athauda, A.M.T.P.; Anjalee, G.H.I.(Faculty of Agriculture and Plantation Management,Wayamba University of Sri Lanka, Makandura, 2013)
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)
Madhushani, L.K.M.; Weerasinghe, W.A.D.S.S.; Jayathilaka, Y.M.C.D.; Bandaranayake, C.M.; Vidanapathirana, K.P.(Faculty of Applied Sciences, Wayamba University of Sri Lanka, Kuliyapitiya, 2016)