TY  - BOOK
AU  - Gupta, Prakash C.
TI  - Data Communications and Computer Networks 
SN  - 8120328469
U1  - 004.6 
PY  - 2006///
CY  - New Delhi : 
PB  - Prentice-Hall of India, 
KW  - Computer Networks
KW  - Data Transmission Systems
N1  - NY
UR  - https://eaklibrary.neduet.edu.pk:8443/catalog/bk/books/toc/81-203-2846-9.pdf
ER  -