Kim, Jung-sob, author
Kyonghwedehakkyo, 2007
Buku Teks
Hong, Tae-hue
Fibook, 2002
Buku Teks
Kim, Joong Soeb, author
Kyeonghwedehakkyo, 2006
Buku Teks
Kim, Joong Seob, author
Kyeonghwedehakkyo, 2007
Buku Teks
The National Institute of the Korean Language & The International Korean Language Foundation, 2008
Buku Teks