Universitas Indonesia, 2004
UI - Tesis (Membership)
Silaban, Mawardi, author
Universitas Indonesia, 2003
UI - Tesis (Membership)
Surya Dwira, author
Universitas Indonesia, 2005
UI - Tesis (Membership)
Fakultas Teknik Universitas Indonesia, 1991
UI - Skripsi (Membership)
Silalahi, Bonjol Bernandus, author
Universitas Indonesia, 1997
UI - Tesis (Membership)