Parish, Matthew, author
Edward Elgar, 2011
Buku Teks
Kolb, Robert, author
Edward Elgar, 2014
Buku Teks
Adya Sepasthika, author
Fakultas Hukum Universitas Indonesia, 2018
UI - Skripsi (Membership)
Boyle, Alan, author
Oxford University Press, 2007
Buku Teks
Koivurova, Timo, author
Rotledge, 2014
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