Universitas Indonesia, 2003
UI - Tesis (Membership)
Universitas Indonesia, 2006
UI - Tesis (Membership)
Nasution, Sofina Indra, author
Universitas Indonesia, 2002
UI - Tesis (Membership)
Universitas Indonesia, 2002
UI - Tesis (Membership)
Universitas Indonesia, 2002
UI - Tesis (Membership)