20 Segi hanguk soseol 20: Su Jung Lin, Park Tae Sun
Chang bi, 2005
Buku Teks
20 Segi hanguk soseol 30: Choi In Ho, Park Bom Shin
Chang BI, 2005
Buku Teks
Bang, Hyeon Seok
20 Segi hanguk soseol 46
Chang bi, 2006
Buku Teks
20 Segi hanguk soseol 47
Gong Sun-ok ... [and others]
Chang bi, 2006
Buku Teks
20 Segi hanguk soseol 4
Choe Won-sik ... [and others]
Changbi, 2009
Buku Teks