Ursell, Amanda, author
A Dorling Kindersley Book, 2000
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Leach, Rodney
rofile Books, 2000
Buku Referensi
Crossroad, 1989
Buku Referensi
Wira Paskah Withyanti, author
Fakultas Hukum Universitas Indonesia , 2022
UI - Tesis (Membership)
Miner, Brad, author
Free Press Paperbacks, 1996
Buku Referensi