Stallings W
Data and computer communications - 3rd ed - New Jersey Prentice-Hall 1991 - 817p
ГФ 16240
Англи хэл дээр,
0-02-946478-1
data transmission systems computer networks network security
Data and computer communications - 3rd ed - New Jersey Prentice-Hall 1991 - 817p
ГФ 16240
Англи хэл дээр,
0-02-946478-1
data transmission systems computer networks network security