Universitas Indonesia, 1990
UI - Skripsi (Membership)
Samosir, Marianto, author
Universitas Indonesia, 2006
UI - Skripsi (Membership)
[Universitas Indonesia, ], 2007
UI - Skripsi (Membership)
Syafruddin, author
Universitas Indonesia, 1992
UI - Tugas Akhir
Lubis, Rovinus, author
Universitas Indonesia, 1995
UI - Tugas Akhir