20 Segi hanguk soseol 47
Gong Sun-ok ... [and others]
Chang bi, 2006
Buku Teks
Kim, Yeong Heon
20 Segi hanguk soseol 45
Chang bi, 2006
Buku Teks
Lee, Sang
20 Segi hanguk soseol 9
Chang BI, 2005
Buku Teks
20 Segi hanguk soseol 30: Choi In Ho, Park Bom Shin
Chang BI, 2005
Buku Teks
Hyeon, Jin Geon
20 Segi hanguk soseol 02: Hyeon Jin Geon dan Na Do Hyang
Chang BI, 2005
Buku Teks