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다국어입력
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Sara Susca, | Institute of Electrical and Electronics Engineers | 2008 ,
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McDowell, C., | Association for Computing Machinery | 2006 ,
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Bull, A. O., | Pergamon | 1997 ,
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Bullard, J., | American Economic Assn | 2008 ,
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Alan T. Bull, | 한국화학공학회 | 2001 ,