Mihindukulasuriya, R.H.; Dassanayake, E.M.; Perera, W.G.S.(Faculty of Agriculture and Plantation Management,Wayamba University of Sri Lanka, Makandura, 2006)
Disaanayaka, D.M.S.; Kottearachchi, N.S.; Weerasena, O.V.D.S.J.; Peiris, W.A.M.(Faculty of Agriculture and Plantation Management,Wayamba University of Sri Lanka, Makandura, 2013)
Rajapakshe, B.N.K.; Wickramaarachchi, W.A.R.T.; Kottearachchi, N.S.; Dissanayake, D.M.K.K.(Faculty of Agriculture and Plantation Management,Wayamba University of Sri Lanka, Makandura, 2016)
Ranasinghe, B.M.C.M.; Sumanasena, H.A.; Amarakoon, A.M.E.S.; Lakmali, W.A.S.(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)
Saheeka, R.F.; Udugama, J.M.M.; Jayasinghe-Mudalige, U.K.; Attanayake, A.M.C.M.(Faculty of Agriculture and Plantation Management,Wayamba University of Sri Lanka, Makandura, 2013)
Herath, H.M.R.A.; Jayasekera, S.J.B.A.; Debarawatta, R.D.N.; Mudalige, Jayasinghe U.K.; Udugama, J.M.M.; Wijerathne, B.(Faculty of Agriculture and Plantation Management,Wayamba University of Sri Lanka, Makandura, 2013)
Alahapperuma, Y.B.; Vivehanthan, K.; Neththikumara, N.; Gnaneshan, S.; Dissanayake, V.H.W.; Rajapaksha, R.W.P.M.(Faculty of Agriculture and Plantation Management,Wayamba University of Sri Lanka, Makandura, 2016)