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)
Amarasinghe, A.A.T.B.; Priyantha, W.S.; Rathnayake, R.H.M.K.; Wickramasinghe, W.M.E.P.(Faculty of Agriculture and Plantation Management, Wayamba University of Sri Lanka, Makandura, 2005)
Bandara, H.M.H.C.; Wickramasinghe, W.M.E.P.; Ratnayake, R.H.M.K.(Faculty of Agriculture and Plantation Management, Wayamba University of Sri Lanka, Makandura, 2005)
Deepika, U.K.D.K.; Senevirathne, P.; Nayanakantha, C.; Wickramasinghe, W.M.E.P.(Faculty of Agriculture and Plantation Management, Wayamba University of Sri Lanka, Makandura, 2005)