이재성 이수원 장해종 Nguyen Viet Tung 2024-01-21T09:37:27Z 2024-01-21T09:37:27Z 2022-01-10 2002-12 https://pubs.kist.re.kr/handle/201004/138974 The evaluation of eutrophic state on Paldang water reservation area using chloride to sulfate ratio by on site ecotest and IC Article 3 한국환경분석학회지 = J. of the Korean Society for Environmental Analysis, v.5, no.4, pp.248 - 252 한국환경분석학회지 = J. of the Korean Society for Environmental Analysis 5 4 248 252 Paldang drinking water reservation eutrophic chloride to sulfate ratio COD