Universitas Indonesia, 1995
UI - Skripsi (Membership)
Universitas Indonesia, 1997
UI - Skripsi (Membership)
Universitas Indonesia, 1995
UI - Skripsi (Membership)
Universitas Indonesia, 1998
UI - Skripsi (Membership)
Universitas Indonesia, 1998
UI - Skripsi (Membership)