Ariyawansa, G.I.I.; Gamlath, Sandeeptha; Jayasekera, S.J.B.A.(Faculty of Agriculture and Plantation Management, Wayamba University of Sri Lanka, Makandura, 2005)
Karaunarathne, P.G.N.; Siriwardhane, K.P.D.; Jayasekera, S.J.B.A.(Faculty of Agriculture and Plantation Management, Wayamba University of Sri Lanka, Makandura, 2005)
Karaunachandra, K.R.K.; Siriwardhana, K.P.D.; Jayasekera, S.J.B.A.(Faculty of Agriculture and Plantation Management, Wayamba University of Sri Lanka, Makandura, 2005)
Ruklanthi, J.M.D.B.; Arunasiri, K.N.; Attanayaka, D.P.S.T.G.; Jayasekera, S.J.B.A.(Faculty of Agriculture and Plantation Management,Wayamba University of Sri Lanka, Makandura, 2006)
Athukorala, A.R.J.; Siriwardena, K.P.D.; Jayasinghe-Mudalige, U.K.; Jayasekera, S.J.B.A.(Faculty of Agriculture and Plantation Management,Wayamba University of Sri Lanka, Makandura, 2006)
Indulgoda, I.P.M.; Loganathan, M.B.; Jayasekera, S.J.B.A.; Ranaweera, B.(Faculty of Agriculture and Plantation Management,Wayamba University of Sri Lanka, Makandura, 2006)