000 00322nam a2200157Ia 4500
100 _aGirdhar, A P
080 _a808.066
526 _dNTB
526 _aUG
366 _f20%
942 _cBK
245 _aCommunication techniques
260 _aI. K. International
_bNew Delhi
_cc2013
300 _aiv,266
546 _aE
999 _c53454
_d53454