Jayawardane, L.U.S.S.; Senevirathne, P.; Nayanakantha, C.; Wickramasinghe, W.M.E.P.(Faculty of Agriculture and Plantation Management, Wayamba University of Sri Lanka, Makandura, 2005)
Warnasuriya, W.M.A.N.; Wijetilaka, L.C.; Ranaweera, B.(Faculty of Agriculture and Plantation Management, Wayamba University of Sri Lanka, Makandura, 2005)
Wickramasinghe, W.M.T.K.; Chathurani, G.D.G.; Yakandawala, K.(Faculty of Agriculture and Plantation Management,Wayamba University of Sri Lanka, Makandura, 2016)
Fernando, B.K.N.S.; Jayaweera, B.P.A.; Ranaweera, B.; Edirisinghe, U.(Faculty of Agriculture and Plantation Management, Wayamba University of Sri Lanka, Makandura, 2005)
Senadhipathirage, S.D.A.S.; Ranaweera, B.; Karunarathne, K.H.M.I.(Faculty of Agriculture and Plantation Management,Wayamba University of Sri Lanka, Makandura, 2016)
Jayathilaka, R.M.M.S.; Debarawatta, R.D.N.; Jayasekara, S.J.B.A.(Faculty of Agriculture and Plantation Management,Wayamba University of Sri Lanka, Makandura, 2016)
Dayawansa, I.H.D.R.S.; Athauda, A.M.T.P.; Manuweera, G.K.(Faculty of Agriculture and Plantation Management, Wayamba University of Sri Lanka, Makandura, 2006)