Samarasekara, R.Siriwardhana, D.A.S.Herath, H.M.L.I.Ahangama, D.Nugaliyadde, M.M.Nishantha, K.M.D.W.P.2016-05-022016-05-022011International Symposium on Natural Products and their Applications in Health and Agriculture 2011:p.53https://dl-ifs.nsf.gov.lk/handle/1/1169Conference paper