Kim, Jong-rok, author
Park Lee Jeong, 2005
Buku Teks
Lee, Chae-song, 1965-, author
Tullyok, 2006
Buku Teks
Lee, Jin-won, author
Seohaemunjib, 2006
Buku Teks
Choi, Seong-wu, 1958-, author
Communication Books, 2007
Buku Referensi
Kim, So-hyong, author
Han'guk Munhwasa, 2012
Buku Teks