TY  - BOOK
AU  - White, Curt M. 
TI  - Data communications and computer networks: a business user's approach [electronic resources] 
SN  - 9781305116634
PY  - 2016///.
CY  - Boston, MA : 
PB  - Cengage Learning, 
KW  - Computer networks
KW  - OSI (Computer network standard)
KW  - Data transmission systems
UR  - https://www.pdfdrive.com/data communications-and-computer-networks-a- business-users-approach-e180638060.html"
ER  -