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Journal of Korean Society of Industrial and Systems Engineering :: Vol.39 No.1 pp.47-55
DOI:https://doi.org/10.11627/jkise.2016.39.1.047
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Journal of Korean Society of Industrial and Systems Engineering :: Vol.39 No.1 pp.47-55
			DOI:https://doi.org/10.11627/jkise.2016.39.1.047