Go, Hari-susumu, author
EZ book, 2000
Buku Teks
Jeon, Bong-hui, author
Dongnyeok, 2012
Buku Teks
Kim, Dong-uk, author
Hollym , 2006
Buku Teks
Tak, Sok-san, 1956-, author
Chaek Sesang, 2000
Buku Teks
Kim, Kwang-on, author
Taewonsa, 1997
Buku Referensi