Universitas Indonesia, 2000
UI - Skripsi (Membership)
Universitas Indonesia, 2005
UI - Skripsi (Membership)
Universitas Indonesia, 1997
UI - Skripsi (Membership)
Universitas Indonesia, 1994
UI - Skripsi (Membership)
Universitas Indonesia, 2000
UI - Skripsi (Membership)