000 00328nam a22001457a 4500
999 _c21
_d21
020 _a97838314761
082 _a004.65 CHI
100 _aChitra Ravi
245 _aData Communication and Networks
250 _a2
260 _aBangalore
_bSubhas
_c2018
300 _a252
650 _aDATA PROCESSING & COMPUER SCIENCE
942 _cBK