Amadoru, I.J.; Abeysinghe, D.C; Gunathilaka, H.A.W.S.; Kulathilaka, S.H.C.; Dharmadasa, R.M.(Senate Research and Higher Degrees Committee, Wayamba University of Sri Lanka, 2017)
Udadeniya, A.G.S.G.; Amadoru, I.J.; Abeysinghe, D.C.; Gunathilaka, H.A.W.S.; Dharmadasa, R.M.(Faculty of Agriculture and Plantation Management,Wayamba University of Sri Lanka, Makandura, 2016)
Kulathilaka, S.H.C.; Amadoru, I.J.; Abeysinghe, D.C.; Gunathilaka, H.A.W.S; Dharmadasa, R.M.(Faculty of Agriculture and Plantation Management,Wayamba University of Sri Lanka, Makandura, 2016)
Dharmathilaka, R.S.M.S.S.; Amadoru, I.J.; Gunathilake, H.A.W.S.; Abeysinghe, D.C.; Dharmadasa, R.M.(Faculty of Agriculture and Plantation Management,Wayamba University of Sri Lanka, Makandura, 2016)
Perera, W.R.S.; Amadoru, I.J.; Gunathilaka, H.A.W.S.; Abeysinghe, D.C.; Dharmadasa, R.M.(Faculty of Agriculture and Plantation Management,Wayamba University of Sri Lanka, Makandura, 2016)