000 00306 a2200145 4500
020 _a9788183715058
082 _a621.391.1 GAN
245 _aCommunication theory
250 _a4/e
260 _bScitech
_c2014
300 _aUQ.38 p
700 _aP Glaret Subin
942 _cBK
100 _aGanesh Babu T R
999 _c1971
_d1971