Kim, Yol-gyu
Woong Jin Jisik House, 2009
Buku Teks
Kyunggak Hangukhak Yonguwon yokkum
Kul Hangari, 2011
Buku Teks
Sin, Pyong-ju, 1963-
Chaek kwa Hamkke , 2007
Buku Teks
Kwon, Tae-hyo
Jisiksaneobsa, 2005
Buku Teks
Cho, Yu-chan
Sotjong Sihak, 2008
Buku Teks