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Park Mun Gak, 2010
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Seoul: Maekyung Chul Pan, 2006
Buku Referensi
Lee, Nye-sun, author
I Hwa Yeo Ja Doe Hak Gyo Chul panbu, 2005
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Seoul Donga il bo sa, 2006
Buku Referensi
Choi, Jun Shik, author
Sagyejeol, 2006
Buku Teks