Jayalatharachchi, D.B.; Vivehananthan, K.; De Silva, W.H.(Faculty of Agriculture and Plantation Management,Wayamba University of Sri Lanka, Makandura, 2016)
Balachandran, J.; Vivehananthan, K.; Bandara, N.; Mannapperuma, N.(Faculty of Agriculture and Plantation Management,Wayamba University of Sri Lanka, Makandura, 2016)
Herath, H.M.A.Y.; Vivehananthan, K.; Rajapaksha, R.P.V.J.; Rathnayake, C.; Satharasinghe, D.C.(Faculty of Agriculture and Plantation Management,Wayamba University of Sri Lanka, Makandura, 2016)
Perera, S.M.D.; Vivehananthan, K.; Dassanayake, M.P.; Perera, A.N.K.(Faculty of Agriculture and Plantation Management,Wayamba University of Sri Lanka, Makandura, 2013)