00959cam a2200277 7i4500 0000007735 20150325090000.0 iicp-my 20021204215100.0 000000 00 0789559587 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.. 3rd ed.. Boston: Course Technology, 2001.. p.: ill.; col.; cm.. Business enterprises -- Communication systems. Business enterprises -- Computer networks. Data transmission systems. Serwatka, Judy A. Cashman, Thomas J. 1000013834 Book Yellow Spot 1000014141 Book Yellow Spot 1000014194 Book White Spot