Universitas Indonesia, 1996
UI - Skripsi (Membership)
Universitas Indonesia, 2004
UI - Skripsi (Membership)
Universitas Indonesia, 2004
UI - Skripsi (Membership)
Universitas Indonesia, 1996
UI - Skripsi (Membership)
Universitas Indonesia, 1999
UI - Skripsi (Membership)