Universitas Indonesia, 2000
UI - Skripsi Membership
Naiborhu, Charles
Universitas Indonesia, 2002
UI - Skripsi Membership
Wiwin Setyawati
Fakultas Hukum Universitas Indonesia, 2012
UI - Tesis Open
by Audrey Mullender ... [and others]
Sage, 2002
Buku Teks SO
Dadang Hawari
Balai Penerbit , 2009
Buku Teks