Sewwandi, B.G.N.Weragoda, S.K.Mowjood, M.I.M.Tanaka, N.Sasikala, S.2014-11-122014-11-122010Tropical Agricultural Research, 21(4):p.353-360https://dl.nsf.gov.lk/handle/1/12336Environmental SciencesWaste water treatmentConstructed wetlandsAquatic plantsOxygen demandNitrigen removalOrganic pollutantsHydrilla verticillataLemna minorEffect of submerged and floating plants on dissolved oxygen dynamics and nitrogen removal in constructed wetlandsA