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Multilingual
1
Unger, Irwin., 942-U57t-안진홍 | Prentice Hall | 1989 942-U57t-안진홍,
2
Sarason , Irwin G., 513.89-S243a-안진홍 | Prentice Hall | 1989 513.89-S243a-안진홍,
3
Irwin, Judith W, 747.4-I72p | Prentice-Hall | 1989 747.4-I72p,