Roobavannan, M.Perera, R.J.Weragoda, S.K.Jinadasa, K.B.S.N.2018-08-012018-08-012011Transactions - 2011 Volume I - PART B Technical Papers:p.387-391https://dl-iesl.nsf.gov.lk/handle/1/996Inorganic Nitrogen Removal in Submerged Plant Wetland System using Coconut Coir Substrate MaterialArticle