000 00452nam a22001337a 4500
999 _c522984
_d522984
082 _aAPPPA 2022-23\NEG
100 _aNegi, Ajay
_938842
245 _aA study of revised guidelines of department of telecommunications for other service providers (OSPS)
_cby Ajay Negi
260 _aNew Delhi
_bIIPA
_c2023
300 _a100p.
650 _aCommunication - India
_938843
650 _aTelecommunications
_938844
650 _aTelecommunication - India
_938845