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Multilingual
1
Lee, Yoon-Shik., 345.42-L482l | The Chomyung Press | 1990 345.42-L482l,
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Lee, Yoon-Shik., 345.42-L482l | The Chomyung Press | 1990 345.42-L482l,
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Yoon Shik Cho, | 한국데이터정보과학회 | 2007 ,