000 00533 a2200157 4500
005 20230607132958.0
050 _aHF5415.5
_bZei.
100 _aZeithaml, Valarie A.
245 _aDelivering quality service : balancing customer perceptions and expections /
_cValarie A. Zeithaml, A. Parasuraman, Leonard L. Berry.
501 _a6997
650 _aCustomer service.
650 _aService industries - Quality control - Mathematical models.
700 _aBerry, Leonard L.
260 _bFree Press
_c1990.
942 _cBK
_oHF5415.5 Zei.
999 _c3314
_d3314