Amarasinghe, P.H.W.K.P.2020-07-212020-07-212006https://dl-susl.nsf.gov.lk/handle/1/29239Natural ResourcesNatural coir dust as a starting substrate to de-pollute chromium (VI) contaminated water resourcesResearch ReportAP-NATURAL-230BSc02/AS/017Sabaragamuwa University of Sri Lanka