TY  - BOOK
AU  - Nayak, Akshaya Kumar
TI  - World encyclopaedia of communication (Vol.1 - vol. 9)
SN  - 9788171394821
U1  - 302.203 N 232 C 
PY  - 2011///
CY  - New Delhi
PB  - Jnanada Prakashan
ER  -