The National Institute of the Korean Language & The International Korean Language Foundation, 2008
Buku Teks
Kim, Chung Sok, author
Hollym Chulpansa, 2006
Buku Teks
Seung-eun Oh, author
Darakwan, 2009
Buku Teks
Muhammad Ihsan, author
2015
UI - Makalah dan Kertas Kerja
In, Ku Kim-Marshall, author
Hankookmunhwasa, 2006
Buku Teks