Pak, Yong-il, author
Hanguk Haksul Chongbo, 2009
Buku Teks
Bak, Yeong-Sun, author
Goryeodaehaggyochulpanbu, 2010
Buku Teks
Hong Jong-son, Kim Ji-oh, Ha Jung-su, Gim Hyery-yong (change)
Do seo Chulphan, 2009
Buku Teks
Lee, Chae-song, 1965-, author
Tullyok, 2006
Buku Teks
Choi, Seong-wu, 1958-, author
Communication Books, 2007
Buku Referensi