Kata Kunci Pencarian:
- Konfederasi
- Komunitas otonom di Spanyol
- Federalisasi Uni Eropa
- Tanja Börzel
- Regional organization
- Federalisation of the European Union
- Langen, Hesse
- Thomas Risse
- Liberal intergovernmentalism
- Otto Suhr Institute for Political Science
- Benedetta Berti
- Confederation
- International order
