Universitas Indonesia, 2003
UI - Skripsi (Membership)
Universitas Indonesia, 2004
UI - Skripsi (Membership)
[Universitas Indonesia, ], 2007
UI - Skripsi (Membership)
Universitas Indonesia, 2005
UI - Skripsi (Membership)
Universitas Indonesia, 1991
UI - Skripsi (Membership)