3Ruth N.Bolton,Katherine N.Lemon,A Dynamic Model of Customer's Usage of Service:Usage as an Antecedent and Consequence of Satisfaction,Journal of Marketing Research,May 1999.
4Stephen I.Montgomery,Profitable Pricing Strategies,McGraw-Hill Book Company,2005.
5Susan Fournier,David G1en Mick,Rediscovering Satisfaction,Journal of Marketing,October 1999.
6Valarie A.Zeithaml,Mary Jo Bither,Service Marketing,The McGraw-Hill ompanies,Inc,2004.