Kang, Chong-hun 강종훈, author
Ungjin Chisik Hausŭ, 2011
Buku Teks
Kang, Chong-hun 강종훈, author
Ungjin Chisik Haus, 2011
Buku Teks
Daren Sae Sang, 2004
Buku Teks
Korean Overseas Information Service,
Majalah, Jurnal, Buletin
Seoul [publisher not identified] 2003,
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