Dissanayake, S.A.D.A.N.Pasqual, H.Athapattu, B.C.L.2018-07-042018-07-042016Transactions - 2016 PART B Technical Papers:p.149-154https://dl-iesl.nsf.gov.lk/handle/1/814Colorimetric Sensor to Detect Fluoride Concentration of Drinking Water SourcesArticle