Kim Chang-sop, author
Hangugo hyongtaeron yongu
T'aehaksa, 2008
 Buku Teks
An, Hwi-jun
Hanguk hoehwasa yongu
Sigongsa , 2000
 Buku Teks
Chon, Ho-tae, 1959-, author
Koguryo kobun pyokhwa yongu
Sagyejol, 2000
 Buku Teks
Kim, Hyong Chol, 1950-, author
Guko ohwi yongu
Daehakyo Chulphanbu, 2009
 Buku Referensi
Kim, Jin-ho, author
Wesukineulwihan hanguko munbob
Dosochulphan Park Lee Jeong, 2011
 Buku Teks
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