Telecom For Dummies
- 358 stránek
- 13 hodin čtení
Worldwide telecom spending was over $4 trillion in 2004, and virtually all 12 million businesses in the U.S.
Stephen P Olejniczak Pořadí knih
- 2006
Worldwide telecom spending was over $4 trillion in 2004, and virtually all 12 million businesses in the U.S.