000 00276nam a22001337a 4500
020 _a9789350519530
082 _bRAY
100 _aRayudu C.S.
245 _aCommunications
250 _a9th
260 _aMumbai
_bHimalaya Publishing House
_c2015
300 _a712p
942 _cBK
999 _c454
_d454