Zeithaml, Valarie A.

Services marketing : = integrating customer focus across the firm / by: Bitner, Mary Jo.; Zeithaml, Valarie A.; Gremler, Dwayne D. (Language materials, printed)

Services marketing : = integrating customer focus across the firm / by: Zeithaml, Valarie A.; Bitner, Mary Jo.; Gremler, Dwayne D. (Language materials, printed)