1. Explorations in Quality Assessment and Monitoring;Donabedian,1980
2. A service quality model and its marketing implications;Gronroos;Eur J Marketing,1990
3. How patients evaluate the quality of ambulatory medical encounters;Bopp;J Healthcare Marketing,1990
4. The service quality puzzle;Berry;Business Horizons,1988
5. A longitudinal analysis of the impact of service changes on customer attitudes;Bolton;J Marketing,1991