00883cam a2200265 7i4500 0000007868 20150325090000.0 iicp-my 20021204215100.0 000000 00 0789546280 200212042151 VLOAD 005.712 SHE Shelly, Gary B. Business data communications : introductory concepts and techniques Gary B. Shelly, Thomas J. Cashman and Judy A. Serwatka.. 2nd ed.. Boston: Course Technology, 1998. p.: ill.; col.; cm.. Includes index Data transmission systems. Business enterprises -- communications Business enterprises - Computer network Serwatka, Judy A. Cashman, Thomas J. 1000014607 Book Yellow Spot