Jayalatharachchi, D.B.; Vivehananthan, K.; De Silva, W.H.(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)
Tharangi, U.H.D.; Vivehanthan, K.; De Silva, W.H.; Fernando, C.A.N.(Faculty of Agriculture and Plantation Management,Wayamba University of Sri Lanka, Makandura, 2016)