TY  - BOOK
AU  - Singh, Samir kumar
TI  - Future of communication
U1  - 070.1 S64F 
PY  - 2018///
CY  - New Delhi
PB  - Jnanada Prakashan
N1  - 4943 28/12/2022 KKP23/348 02/01/2023 Main Budget
ER  -