Afriadi
Fakultas Ilmu Pengetahuan Budaya Universitas Indonesia, 2020
UI - Tesis Membership
Research Center for Peace and Unification, 1979
Buku Teks
edited by Christopher J. Sigur
Carnegie Council on Ethics and International Affairs, 1992
Buku Teks SO
McCune, George M.
Harvard University Press, 1950
Buku Teks SO
Kim Byong Sik
International Publishers, 1970
Buku Teks