Tampubolon, Sabartua, author
Universitas Indonesia, 2001
Buku Teks
Nasichatun Asca, author
Universitas Indonesia, 2002
UI - Tesis (Membership)
Abdurrahman, author
1986
UI - Tesis (Membership)
Tampubolon, Sabartua, author
Universitas Indonesia, 2001
UI - Tugas Akhir
Tobing, Togi Lumban, author
Universitas Indonesia, 1994
UI - Tugas Akhir