Kim, Jong-rok, author
Park Lee Jeong, 2005
Buku Teks
So, Sang-gyu, author
Sinwon Puraim, 2006
Buku Referensi
by Pak Sang Gyu ... [et al.]
Yoklak, 2010
Buku Teks
Sin, Chu-chol, author
Komyunikeisyon Buksu , 2006
Buku Teks
Jo, Su-jin, author
Sotong, 2010
Buku Teks