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다국어입력
1
Teixeira, Maria Gracinda C, 321.21-T266e | Avebury | 1996 321.21-T266e,
2
Munasinghe, Mohan, 321.21-M964d | The World bank | 1995 321.21-M964d,
3
Furze, Brian, 321.21-F992c | John Wiley & Sons | 1995 321.21-F992c,
4
Mayor, Archer H, 321.21-M473s | The University of Georgia Press | 1987 321.21-M473s,