Selben sarang ui ko ko yajanamu
translated by Yun Seung
Sanha, 2004
 Buku Teks
Choe, Kyong-bong, 1965-, author
Uri mal ui tansaeng : choecho ui Kugo sajon mandulgi 50-yon ui yoksa = the birth of a Korean : the first dictionary of the language making 50 years
Chaek kwa Hamkke, 2006
 Buku Referensi
Ko, Chong-sok, 1959-, author
Maltul ui punggyong : Ko Chong-sok ui Hangugo sanchaek
Kaema Kowon, 2007
 Buku Teks
Samosir, Emriati, author
Strategi komunikasi pemasaran special international classes Universitas Indonesia (SIC-UI)
2001
 UI - Tesis (Membership)
Yu, Dok-son, author
Hangugin ui kwanhon'gwan = (in Korean), ceremonial
Hong Mun Gwan, 2009
 Buku Referensi
Im, ji-ryong, author
Kugo ui miron = language semantics
Thamchulphansa, 2010
 Buku Referensi