Fitzgerald, Jerry.
Business data communications : basic concepts, security, and design / Jerry Fitzgerald. - J. Wiley 1984.
8301
Data transmission systems.
Computer networks.
Office practice - Automation.
TK5105 / Fit.
Business data communications : basic concepts, security, and design / Jerry Fitzgerald. - J. Wiley 1984.
8301
Data transmission systems.
Computer networks.
Office practice - Automation.
TK5105 / Fit.