TY  - BOOK
AU  - Instructional Software Research and Development(ISRD) group
TI  - Data Communication and Computer Networks
SN  - 978-0-07-061682-0
U1  - 004.6 
PY  - 2008///
CY  -  New Delhi 
PB  - Tata McGraw  Hill 
KW  -  Computer Science
ER  -