000 00252nam a2200097Ia 4500
008 230401s9999 xx 000 0 eng d
100 _aSHARMA (NEERU)
245 0 _aCOMMUNICATION TECHNIQUES .
260 _bVayu Publisher & Distributed
942 _2ddc
_cBTECH
999 _c6628
_d6628