6ZEITHAML V A. Consumer perception of price, quality and value: ameans - end model and synthesis of evi- dence [ J ]. Journal of Marketing, 1988 (7) :2 - 22.
7MULHERN F J. Customer profitability analysis:meas- urement, concertration, and research directions [ J ]. Journal of Interactive Marketing, 1999 ( 1 ) :25 - 40.
8PARASURAMAN A,ZEITHAML V A, BERRY L L A. Conceptual model of service quality and its implica- tions for future research [ J ]. Journal of Marketing, 1985( 1 ) :41 -50.
9PARASURAMAN A ,ZEITHAML V A, BERRY L L A. SERVQUAL:a multiple -item scale formeasuring customer perceptions ofservice quality [ J ]. Journal of Retailing, 1988 ( 1 ) :64 - 65.
10BERGER P D, NASR N I. Customer lifetime value: marketing models and applications [ J ]. Journal of Interactive Marketing, 1998( 1 ) : 17 - 30.
