Universitas Indonesia, 1996
UI - Skripsi (Membership)
Universitas Indonesia, 1997
UI - Skripsi (Membership)
Endah kusrini
1998
UI - Skripsi (Membership)
Universitas Indonesia, 1995
UI - Skripsi (Membership)
Siahaan, Wilson
Universitas Indonesia, 1988
UI - Skripsi (Membership)