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Multilingual
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Ja-Ye Koo,Hong-Hyun Kim, | 대한기계학회 | 2003 ,
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Byeong-Eun Lee,Kap-Jong Riu,Se-Hyun Shin,Soon-Bum, | 대한기계학회 | 2003 ,
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US Department of Education [, ]
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US Department of Education [, ]