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Buku Teks
Sianturi, Jeremiah Immanuel
Fakultas Hukum Universitas Indonesia, 2016
UI - Skripsi (Membership)
OConnell, Mary Ellen
Cambridge University Press, 2019
eBooks
Jens David Ohlin, Kevin Govern, Claire Finkelstein, editor
Oxford University Press, 2015
Buku Teks
Edwar Andiko Heri
2012
UI - Skripsi (Open)