Yoksa, Kyogwaso, author
Hyean, 2007
Buku Teks
Kang, Myong-gwan, author
Hangyore Chulpan , 2009
Buku Teks
editor, Nikka Kyosul, Rekisshi Kyozai, Seisaku Chimu
Gyeonggi-do: Hangilsa, 2005
Buku Teks
Ahn, Hwi-jon, author
Seoul Daehakgyo Chulpanbu, 2008
Buku Teks
Han, Gil, author
Youkrack, 2009
Buku Teks