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Sung, Keuk je
| Kyung Hee University Press |
2010
3
Lee, Jong Won
| Heanam Pub |
2004
4
Shin, Eui-soon
| Yonsei University Press :연세대학교출판부 |
2004
5
Choi, Nakgyoon
| Choi, Nakgyoon |
1999