Vyskumny ustav dopravny, a.s.
- Transport Research Institute covers study and certification of transport policies, economy and technologies. Provides complete list of activities, annual reports and contact details.
- http://www.vud.sk

zilina.sk
- Official website of city of Zilina. Regional information on economy, transportation, education, culture, tourism and sport.
- http://www.zilina.sk/en/