Jayamaha, D.J.M.N.; Samarajeewa, P.K.; Attanayaka, D.P.S.T.G.(Faculty of Agriculture and Plantation Management,Wayamba University of Sri Lanka, Makandura, 2006)
Anuruddhika, R.V.K.; Edirisinghe, J.; Auwardt, D.M.(Faculty of Agriculture and Plantation Management, Wayamba University of Sri Lanka, Makandura, 2006)
Rajapaksha, R.L.T.N.; Silva, D.A.C.; Athauda, A.M.T.P.(Faculty of Agriculture and Plantation Management,Wayamba University of Sri Lanka, Makandura, 2006)
Razmy, M.A.A.; Athauda, A.M.T.P.; Arachchige, T.D.P.(Faculty of Agriculture and Plantation Management,Wayamba University of Sri Lanka, Makandura, 2006)
Wijewardhana, W.G.L.P.; Edirisinghe, J.; Auwardt, D.M.(Faculty of Agriculture and Plantation Management,Wayamba University of Sri Lanka, Makandura, 2006)
Premarathna, R.G.J.; Mudalige, U.K.Jayasinghe; Gajanayake, G.M.C.P.B.(Faculty of Agriculture and Plantation Management,Wayamba University of Sri Lanka, Makandura, 2006)