000 00322nam a2200133Ia 4500
008 241226s9999 xx 000 0 und d
020 _a0
082 _a658.8
_bGER
100 _aGerson Richard F
245 0 _aBeyond customer services
260 _aNew Delhi :
_bViva Books,
_c2021.
350 _a0
650 _aManagement
999 _c168331
_d168331