The European Communities, 1997
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Duncan, Colin
John Wiley, 1981
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Diah Amelia, author
Fakultas Ilmu Pengetahuan dan Budaya Universitas Indonesia, 2004
UI - Skripsi (Membership)
Goldstein, Joseph, author
Allen & Unwin, 1952
Buku Teks
editor-in-chief M.V. Keldysh
Progress Publishers, [date of publication not identified]
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