Kim, Yeong Heon, author
20 Segi hanguk soseol 45
Chang bi, 2006
Buku Teks
Bang, Hyeon Seok, author
20 Segi hanguk soseol 46
Chang bi, 2006
Buku Teks
Lee, Sang, author
20 Segi hanguk soseol 9
Chang BI, 2005
Buku Teks
20 Segi hanguk soseol 7
Choe Won-sik ... [et al.]
Changbi, 2007
Buku Teks
20 Segi hanguk soseol 47
Gong Sun-ok ... [and others]
Chang bi, 2006
Buku Teks