TY  - BOOK
AU  - Singh, Om Prakash
TI  - Sanchar ke mool siddhant : (Bhartiya sanchar siddhant sahit)
SN  - 9789386863614
U1  - 070.1014 hQ8 
PY  - 2018///
CY  - New Delhi
PB  - Lokbharti Prakashan
KW  - Communication
KW  - Title
ER  -