Universitas Indonesia, 1990
UI - Skripsi (Membership)
Lusi Indriani, author
2003
UI - Tesis (Membership)
Sitinjak, Robert Parlindungan, author
Universitas Indonesia, 1991
UI - Skripsi (Membership)
Universitas Indonesia, 2007
UI - Skripsi (Membership)
Elwi Danil, author
Universitas Indonesia, 1991
UI - Tesis (Membership)