Universitas Indonesia, 1994
UI - Skripsi (Membership)
[Universitas Indonesia, ], 2007
UI - Skripsi (Membership)
Peter Adrian, author
2011
UI - Tesis (Membership)
Universitas Indonesia, 2006
UI - Skripsi (Membership)
Universitas Indonesia, 1998
UI - Skripsi (Membership)