Stallings W
Data and computer communications - 5th ed - New Jersey Prentice-Hall 1997 - 798p
ГФ 16276
Англи хэл дээр,
0-02-415425-3
data transmission systems computer networks network security
Data and computer communications - 5th ed - New Jersey Prentice-Hall 1997 - 798p
ГФ 16276
Англи хэл дээр,
0-02-415425-3
data transmission systems computer networks network security