Carr H.H., Snyder Ch.A.
The Management of Telecommunications - 0 - Boston Mcgraw-hill-irwin 1997 - 726 - 0 .
0
0-256-21961-3 0
Хандив
Engineering or business
658 / C-36
The Management of Telecommunications - 0 - Boston Mcgraw-hill-irwin 1997 - 726 - 0 .
0
0-256-21961-3 0
Хандив
Engineering or business
658 / C-36