National Institute for International Education, 2015
Multimedia
Chris Rowley ,Yongsun Paik
Routledge, 2009
Buku Teks
Chris Rowley
New York : Routledge, 2009
Buku Teks
[publisher not identified], [date of publication not identified]
Buku Teks
edited by Chong-Shik Chung and Gahb-Chol Kim
Research center for peace and unification, 1980
Buku Teks