Yis, Sung Won, 1955-, author
Baek sok ui mannada : Baek sok si jonpyon haesol
Taehaksa, 2008
 Buku Teks
Ko, Chong-sok, 1959-, author
Maltul ui punggyong : Ko Chong-sok ui Hangugo sanchaek
Kaema Kowon, 2007
 Buku Teks
O, Ju-ok, 1956-, author
(O ju-sok ui) yet Kurim ilgi ui Julgoum 1-2
Sol , 2007
 Buku Teks
O, Ju-sok, 1956-, author
(O ju Sok ui) hanguk ui mi ukkang
Spl Book, 2007; 2008
 Buku Teks
O, Ju-sok, 1956-, author
O ju-sok ui Hanguk ui mi theukkang
Solchuphansa, 2010
 Buku Teks
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