TY  - BOOK
AU  - Forouzan, Behrouz A
TI  -  Data Communications and Networking
SN  - 9781259064753
AV  - TK5105 
PY  - 2017///
CY  - Chennai
PB  - Mc Graw Hill
KW  - Computer networks
KW  - Data transmission systems
UR  - https://books.google.com.pk/books?id=bwUNZvJbEeQC&printsec=frontcover#v=onepage&q&f=false
ER  -