Luphzhy, M.P.D.L.; Vivehanthan, K.; Dassanayaka, M.P.; Satharasinghe, D.C.(Faculty of Agriculture and Plantation Management,Wayamba University of Sri Lanka, Makandura, 2016)
Tharindi, P.W.M.; Balasooriya, W.K.; Suganthan, B.; Vivehanthan, K.(Faculty of Agriculture and Plantation Management,Wayamba University of Sri Lanka, Makandura, 2016)
Kumara, U.W.A.; Samarajeewa, P.K.; Attanayaka, D.P.T.S.G.(Faculty of Agriculture and Plantation Management, Wayamba University of Sri Lanka, Makandura, 2005)
Priyadarshane, W.M.C.; Athauda, A.M.T.P.; Abeynayake, N.R.; Anjalee, G.H.I.(Faculty of Agriculture and Plantation Management,Wayamba University of Sri Lanka, Makandura, 2013)
Karunarathne, M.M.K.; Weerakkody, W.J.S.K.; Wijesundara, D.S.A.(Faculty of Agriculture and Plantation Management,Wayamba University of Sri Lanka, Makandura, 2006)