000 00272nam a22001217a 4500
082 _a610.7
100 _aJoginder Vati
245 _aCommunication And Education Technology
250 _a2 nd
260 _aN.Delhi
_bJaypee
_c2023
300 _a323 Pages
942 _2ddc
_cBK
999 _c5953
_d5953