e-Business Sector Study Tourism.
Markus Lassnig (2007): e-Business Sector Study Tourism. In: EITO - European Information Technology Observatory 2007. Frankfurt
Markus Lassnig (2007): e-Business Sector Study Tourism. In: EITO - European Information Technology Observatory 2007. Frankfurt
© 2026 Salzburg Research Zertifiziert nach EN ISO 9001