Artikel Jurnal
[Fakultas Teknik UI, VTT Technical Research Centre of Finland], 2011
Artikel Jurnal
Pekka LeviƤkangas, author
Faculty of Engineering, Universitas Indonesia, 2011
Artikel Jurnal
Buchanan, James M., author
Liberty Fund, Inc., 2001
Buku Referensi
Marthin Hadi Juliansah, author
Universitas Indonesia, 2010
UI - Tesis (Open)