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Moonchangsa, 2007
Buku Teks
Crane, Paul S.
Published for the Royal Asiatic Society, Korea Branch, by Kwangjin Pub. Co., 1978
Buku Teks
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Buku Referensi
Gibunjoheun
Seedpaper, 2010
Buku Teks
Korean Overseas Information Service
Hollym, 2003
Buku Teks