Kaushalya, M.G.M.T.; Disaanayake, D.M.P.S.; Weerakkody, W.J.S.K.(Faculty of Agriculture and Plantation Management,Wayamba University of Sri Lanka, Makandura, 2016)
Thilina, M.A.D.P.; Edirisinghe, J.C.; Harischandra, J.(Faculty of Agriculture and Plantation Management,Wayamba University of Sri Lanka, Makandura, 2013)
Devadawson, C.; Sivakanesan, R.; Chandrasekara, A.; Arulnithy, K.; Jayasinghe, C.(Senate Research and Higher Degrees Committee, Wayamba University of Sri Lanka, 2017)