Cell phone services industry.

Strategy, adoption, and competitive advantage of mobile services in the global economy by: (書目-電子資源)

Competitive dynamics in the mobile phone industry by: (書目-電子資源)

Charging for mobile all-IP telecommunications by: (書目-電子資源)

Mobile computing.

Cell phone services industry.

Invoices- Computer programs.

BUSINESS & ECONOMICS / Industries / General

Internet telephony- Prices.

Competition.