TY  - BOOK
AU  - Gupta,Niraj K
TI  - The Businessof telecommunication / 
SN  - 0074634976
U1  - 658.45 
PY  - 2000///.
CY  - New Delhi : 
PB  - Tata Mc graw Hill, 
KW  - Manegement.
KW  - Telecomunication.
ER  -