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다국어입력
1
Curcuru, S.E., | American Economic Assn | 2011 ,
2
Patterson, Thomas C, 942-P318t | Harcourt Brace College Publishers | 1995 942-P318t,
3
Patterson, Thomas C., 902.0025-P318고 | 학연문화사 | 1991 902.0025-P318고,