Menike, A.M.W.Shanthini, R.Kalpage, C.S.Karunarathna, D.G.G.P.2018-08-012018-08-012011Transactions - 2011 Volume I - PART B Technical Papers:p.398-405https://dl-iesl.nsf.gov.lk/handle/1/999Analysis of Chlorpyrifos in Soil at Marassana Vegetable Cultivation areaArticle