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다국어입력
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Younggy Shin, Youngil Kim, Guee-Won Moon, Seok-We, | 대한기계학회 | 2005 ,
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Joon Hong Boo, Soo Yong Park, Do Hyoung KIm, | 대한기계학회 | 2005 ,
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US Department of Education [, ]
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Lawrence Erlbaum Associates [, ]
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American Society of Civil Engineers [, ]
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