Silva, S.P.P.; Nayanakantha, N.M.C.; Seneviratne, P.; Nugawela, A.(Faculty of Agriculture and Plantation Management,Wayamba University of Sri Lanka, Makandura, 2016)
Niran, H.M.L.; Rodrigo, V.H.L.; Nayanakantha, N.M.C.N.(Faculty of Agriculture and Plantation Management, Wayamba University of Sri Lanka, Makandura, 2005)
Kumari, R.M.P.D.; Gajanayake, K.G.M.C.P.B.; Chandrasekara, G.A.P.(Faculty of Agriculture and Plantation Management, Wayamba University of Sri Lanka, Makandura, 2005)
Wijerathna, M.M.M.B.; Jayasinghe, J.M.J.W.; Silva, A.S.A.; Weerathunga, B.(Faculty of Applied Sciences, Wayamba University of Sri Lanka, Kuliyapitiya, 2016)
Samarasekara, D.T.M.W.; Weerasinghe, W.A.D.S.S.; Jayathilaka, Y.M.C.D.; Vidanapathirana, K.P.(Faculty of Applied Sciences, Wayamba University of Sri Lanka, Kuliyapitiya, 2015)