Method to Acquire Safety of Work Spaces by Ensuring Proper Ratio of Visibility of Unsafe Factors in Building Construction Sites (건설현장 위험요소의 관측비율분석에 의한 작업공간의 안전성 확보방안)
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- Journal of the Korea Institute of Building Construction
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- v.13 no.6
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- pp.557-564
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- 2013