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Buku Teks
Rawson, D.W.
Longmans, 1966
Buku Teks
Widick, B.J.
Houghton Mifflin , 1964
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Eka Putri Trisyani, author
Fakultas Hukum Universitas Indonesia, 2013
UI - Skripsi (Membership)
M. Arief Winasis, author
Program Pascasarjana Universitas Indonesia, 2013
UI - Tesis (Membership)