TY  - BOOK
AU  - Stallings,William
TI  - Data and computer communications / 
SN  - 9789332586932
U1  - 004.6 23
PY  - 2019///
CY  - New Delhi
PB  - Pearson
KW  - Data transmission systems
KW  - Computer networks
N1  - Includes index
ER  -