Economic Planning Board , 1977
Buku Teks
Headquarters of Saemual Undong, 1988
Buku Teks SO
edited by Samuel S. Kim
Cambridge University Press, 2000
Buku Teks
David Carlson Creative, 2000
Multimedia
edited by Stephan Haggard, Wonhyuk Lim, Euysung Kim
Cambridge University Press, 2003
Buku Teks