000 00284nam a22001217a 4500
020 _a9781788826358
082 _a004.69 ADV.D
100 _aKingsley Advin
245 _aData communication and computer networks
260 _auk
_bETP Tech press
_c2022
300 _a315
942 _cBK
999 _c638257
_d638257