TY  - GEN
AU  - Husain Ashfaq
TI  - Network & systems
SN  - 97881187522089
U1  - 621.3192 DDC-22
PY  - 2021///
CY  - New delhi 
PB  - Khanna book publishing
KW  - ELEC
KW  - D-11
ER  -