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