Simbolon, Bintang R., author
1990
UI - Skripsi (Membership)
Adelita M. Vandari, author
1993
UI - Skripsi (Membership)
Universitas Indonesia, 2001
UI - Tesis (Membership)
Anna Juniar, author
1997
UI - Tesis (Membership)
Universitas Indonesia, 1997
UI - Skripsi (Membership)