Seoul : Jaeoedongpo Jaedon, 2007
Buku Teks
Jo Dong-il...[et al.]
Doso Chulpan Beokijong, 2008
Buku Teks
Kim, Yong-myong, 1954-, author
Uryu Munhwasa, 2006
Buku Teks
Im, Tong-gwon, author
Minsogwon , 2001
Buku Teks
Gim, Min-Ju, author
the future window, 2003
Buku Teks