Jon, Sang-in, author
Ecoribureu, 2007
Buku Teks
O, Sung--gu, author
Sansung Kyeong Jae Yeon gu so, 2005
Buku Teks
Baek san seo dang, 2005
Buku Teks
Nam, Dog-woo, author
Sam Seong Gyong Je Yon Gu So, 2007
Buku Teks
Hangyeorae sinmoonsa, 2005
Buku Teks