Zeithaml, Valarie A.
Delivering quality service : balancing customer perceptions and expections / Valarie A. Zeithaml, A. Parasuraman, Leonard L. Berry. - Free Press 1990.
6997
Customer service.
Service industries - Quality control - Mathematical models.
HF5415.5 / Zei.
Delivering quality service : balancing customer perceptions and expections / Valarie A. Zeithaml, A. Parasuraman, Leonard L. Berry. - Free Press 1990.
6997
Customer service.
Service industries - Quality control - Mathematical models.
HF5415.5 / Zei.