000 00288nam a22001217a 4500
003 OSt
008 180328b xxu||||| |||| 00| 0 eng d
100 _aGhosh,Pardeep
245 _aPrincipal of electronic communication
260 _bUniversity press
_c2017
300 _a759
942 _cBK
999 _c502000
_d502000