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Buku Teks
Ellis, Joseph J., author
Alfred A. Knopf, 2003
Buku Teks
Berna, James J.
Asia Publishing House, 1960
Buku Teks
United Nations
United Nations, 1987
Buku Teks
Ismarita Ramayanti, author
Fakultas Ilmu Pengetahuan dan Budaya Universitas Indonesia, 2006
UI - Tesis (Membership)