Universitas Indonesia, 2000
UI - Skripsi (Membership)
Sinaga, Herman E., author
Universitas Indonesia, 1992
UI - Skripsi (Membership)
Rini Hariani, author
Universitas Indonesia, 2004
UI - Tesis (Membership)
Retnowati, author
1989
UI - Skripsi (Membership)
Universitas Indonesia, 2005
UI - Skripsi (Membership)