Global mobile roaming : operator strategies and market trends /
Stainthorpe, Angela.
Informa (Firm).Informa Telecoms & Media.
London : Informa Telecoms & Media,
2008.
"Worldwide market analysis, strategic outlook & forecasts to 2013"--Cover.
Cell phone services industry
Cell phone services industry
Global system for mobile communications.
Cell phone systems.
Mobile communication systems.
Market surveys.