Jeong-Gwang (정광), author
Singu Munhwasa, 2006
Buku Teks
Choe, Hyong Chol, author
Hyumonisutu, 2007
Buku Teks
Kyohak yeongusa, 2012
Buku Teks
Baek, Du-hyon, 1955-, author
Communication books, 2006
Buku Teks
Choi, Gyeong Bong, author
Chaek kwa Hamkke, 2008
Buku Teks