Business data communications : introductory concepts and techniques /

Main Author: Shelly, Gary B.
Other Authors: Serwatka, Judy A., Cashman, Thomas J.
Published: Boston: Course Technology, 2001..
Edition:3rd ed..
Subjects:
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650 0 |a Business enterprises --   |x Communication systems.  
650 0 |a Business enterprises --   |x Computer networks.  
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