Lembaga Informasi Nasional, [date of publication not identified]
Buku Teks
Nur Widyastanti, author
Fakultas Hukum Universitas Indonesia, 1999
UI - Skripsi (Membership)
R. Abdussalam, author
PTIK Press, 2003
Buku Teks
Sinar Grafika, 2000
Buku Referensi
Department Of social Affairs, 1950
Buku Teks