000 00342nam a2200133Ia 4500
005 20250626142807.0
008 241013s9999 xx 000 0 und d
020 _a9789391392185
100 _aBiswas, Shibaji Sankar
245 0 _aBlockchain in Telecom :
260 _aCalcutta
_bAdvaita Ashrama.
_c2000
300 _a240
942 _cBK
999 _c14930
_d14930