//-->
Handbuch Praxis Mobiles Internet : Analysen - Konzepte - Best Practice
Sexauer, Hagen J., (2015)
Economic aspects of digital information technologies
Gries, Thomas, (1999)
Unleashing Russia's business potential : lessons from the regions for building market institutions
Broadman, Harry G., (2002)
Using wireless communications in business
Seybold, Andrew M., (1994)