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Multilingual
1
Weiss, Thomas George., 349-W432u-안진홍 | Westview Press | 1997 349-W432u-안진홍,
2
Roger, David E, 517.1-G493p | Westview Press | 1989 517.1-G493p,
3
Rogers, David E, 334.2-R725a | Westview Press | 1992 334.2-R725a,