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		Korean Journal of Environment and Ecology :: Vol.35 No.4 pp.408-423 DOI:https://doi.org/10.13047/KJEE.2021.35.4.408 Open abstract    
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		Korean Journal of Environment and Ecology :: Vol.33 No.1 pp.64-74 DOI:https://doi.org/10.13047/KJEE.2019.33.1.64 Open abstract    





