TY  - BOOK
AU  - Avasthi, Rajendra
TI  - Communication theory
U1  - 302.23 A16C 
PY  - 2022///
CY  - New Delhi
PB  - Arihant Books
N1  - 4929 26/12/2022 IBC22/916 26/12/2022 Main Budget
ER  -