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Buku Teks SO
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Buku Referensi
Hozumi, Tamotsu
ACCU, 2006
Buku Teks
Melisa Safitri
Fakultas Hukum Universitas Indonesia, 2014
UI - Tesis Membership
Kristian Takasdo
Fakultas Hukum Universitas Indonesia, 2013
UI - Skripsi Membership