000 00311nam a2200157Ia 4500
100 _aRayudu, C S
080 _a651.7
526 _dNTB
526 _aUG
366 _f10%
942 _cBK
245 _aCommunication
260 _aHimalaya Publishing House
_bMumbai
_c2015
300 _avii,712
546 _aE
999 _c53124
_d53124