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1
Teak K Kim,Roswell A Harris,Louis F Cohn,Jane Gol, | 대한토목학회 | 2002 ,
2
Tae Hyung Kim, | 대한토목학회 | 2002 ,
3
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US Department of Education [, ]
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US Department of Education [, ]
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US Department of Education [, ]
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US Department of Education [, ]
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US Department of Education [, ]