A Study on the Characteristics of Water Quality for Groundwater and Purified Water of Several Schools in Gyeongsangbukdo Province (경상북도지역 학교지하수 및 정수기통과수의 수질특성에 관한 연구)
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- Journal of Environmental Science International
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- v.20 no.5
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- pp.575-580
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- 2011