Lee, Tae-Jun, author
Changbi, 2012
Buku Teks
Hong Jong-son, Kim Ji-oh, Ha Jung-su, Gim Hyery-yong (change)
Do seo Chulphan, 2009
Buku Teks
Pak, Nam-il, author
Seohaemunjip, 2010
Buku Teks
Lee, Byong-gab, author
Minemsa, 2009
Buku Teks
Pak, Nam-il, author
Seohaeunjib, 2006
Buku Referensi