Universitas Indonesia, 2005
UI - Tesis (Membership)
Universitas Indonesia, 2000
UI - Skripsi (Membership)
Universitas Indonesia, 2002
UI - Tesis (Membership)
Universitas Indonesia, 2000
UI - Skripsi (Membership)
Nasution, Sofina Indra, author
Universitas Indonesia, 2002
UI - Tesis (Membership)