000 00302nam a22001337a 4500
020 _a978-93-528-6915-2
041 _aENGLISH
082 _a004.65 COM
100 _aCOMER DOUGLAS E.
245 _aCOMPUTER NETWORKS AND INTERNETS
260 _aCHENNAI
_bPEARSON
_c2022
300 _a667
942 _cREF
999 _c182633
_d182633