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Buku Teks
Diederiks-Verschoor, I. H. Philepina (Isabella Henrietta Philepina), 1915-, author
Kluwer Law International, 1993
Buku Teks
Porter, Tom
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Buku Teks
B. J. (Bacharuddin Jusuf) Habibie, 1936-, author
Indonesia printer, 1999
Buku Referensi
Christol, Carl Quimby, author
Kluwer Law and Taxation , 1991
Buku Teks