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		Korean Journal of Environment and Ecology :: Vol.32 No.4 pp.425-439 DOI:https://doi.org/10.13047/KJEE.2018.32.4.425 Open abstract    
Korean Journal of Environment and Ecology :: Vol.32 No.4 pp.425-439
			DOI:https://doi.org/10.13047/KJEE.2018.32.4.425
			 
			