Lee, Jeong-beong, author
Yon Lim kati nol, 2009
Buku Teks
Ko, Jeong-uk
Yon Lim kati nol, 2006
Buku Teks
Kim, Won-Seak, author; ; ;
Yon Lim kati nol, 2006
Buku Teks
Lee, Dong-ryol
Yon Lim kati nol, 2007
Buku Teks
Lee, Ji-hyeon
Yon Lim kati nol, 2008
Buku Teks