Bandara, B.W.M.; Gajanayake, K.G.M.C.P.B.; Jayasinghe-Mudalige, U.K.(Faculty of Agriculture and Plantation Management, Wayamba University of Sri Lanka, Makandura, 2006)
Bandara, A.G.B.S.; Ginige, S.L.; Gajanayake, K.G.M.C.P.B.; Jayasundera, H.(Faculty of Agriculture and Plantation Management,Wayamba University of Sri Lanka, Makandura, 2006)
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)
Sajeewani, H.V.A.; Galahityawa, G.L.C.; Gajanayake, K.G.M.C.P.B.; Marapana, W.M.U.A.B.(Faculty of Agriculture and Plantation Management,Wayamba University of Sri Lanka, Makandura, 2006)
Sampath, H.A.K.K.; Gajanayake, K.G.M.C.P.B.; Raveendran, K.; Karunarathne, S.B.(Faculty of Agriculture and Plantation Management,Wayamba University of Sri Lanka, Makandura, 2006)
Sagarika, P.L.T.; Mohotti, K.M.; Gajanayake, K.G.M.C.P.B.(Faculty of Agriculture and Plantation Management,Wayamba University of Sri Lanka, Makandura, 2006)
Weerakoon, W.M.C.S.; Gajanayake, K.G.M.C.P.B.; Jayasinghe-Mudalige, U.K.(Faculty of Agriculture and Plantation Management,Wayamba University of Sri Lanka, Makandura, 2006)
Susantha, M.P.A.; Galahitiyawa, G.L.C.; Gajanayake, K.G.M.C.P.B.; Amarapana, W.M.U.A.B.(Faculty of Agriculture and Plantation Management,Wayamba University of Sri Lanka, Makandura, 2006)