Kim, Joong Soeb
Kyeonghwedehakkyo, 2006
Buku Teks
Kim, Joong Seob
Kyeonghwedehakkyo, 2007
Buku Teks
The National Institute of the Korean Language & The International Korean Language Foundation, 2008
Buku Teks
Ahn, Kyung-hwa
Korea Foundation, 2010
Buku Teks
Arumdaun Hangukahokkyo, 2009
Buku Teks