000 00257nam a2200109Ia 4500
008 250604s9999 xx 000 0 und d
100 _aSingh,. K.K.
245 0 _aEffective Communication
260 _bAgrawal Pub.
_aAgra
_c2016
300 _a170
942 _cBK
999 _c19290
_d19290