Zeithaml, Valarie A.
Delivering quality service : balancing customer perceptions and expectations / Valarie A. Zeithaml, A. Parasuraman, Leonard L. Berry. - New York : Free Press, c1990. - xi, 226 p.
0029357012
90035144
Service industries--Quality control--Mathematical models.
Customer services
Delivering quality service : balancing customer perceptions and expectations / Valarie A. Zeithaml, A. Parasuraman, Leonard L. Berry. - New York : Free Press, c1990. - xi, 226 p.
0029357012
90035144
Service industries--Quality control--Mathematical models.
Customer services