Pak, Jae-won, author
Ssi-a shimal : Tangun yoksa, taegukki, Hangul changje kiwon = the end of thiazolo City: Dangun history, national flag, Hangul changje origin
Baegam, 2009
 Buku Referensi
Kim, Yong-uk, 1961-, author
Hangul, Sejong palmyong choego ui aphabet
Rudense, 2008
 Buku Teks
Arum daun uri hangul
Korean Institute for Strategic Studies
Omunhaksa, 2006
 Buku Teks
Lee, Hui-sung, 1896-1989, author
Hangul machumbab gangui
Shingumunhwasa, 2010
 Buku Teks
Kim, Mi-gyong, 1959-, author
Taehan Minguk taepyo puraendu hangul
Chau Chulpansa, 2006
 Buku Teks
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