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다국어입력
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Sargent, Murray., 004-S245p | Addison-Wesley Pub. Co. | 1995 004-S245p,
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Shoemaker, Christopher C, 309.3-S559n | Westview Press | 1991 309.3-S559n,
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Rogers, Everett M, 020.13-R725개 | 博英社 | 1990 020.13-R725개,