5A. Sarner, W. Janowski, T. Berg."Personalization: Customer Value beyond the Web", Strategic Analysis Report, Sep, 2001.
6Dorothy Leonard and Jeffrey F. Rayport,"Spark Innovation Throush Empathic Design",Harvard Business Review, November-December,1997.
7Anthony W Ulwick. Turn customer input into innovation[J].Harvard Business Review, 2002(1):91-97
8C.K.Prahalad and Venkatram Ramaswamy. Co-opting customer competence[J]. Harvard Business Review, 2000(1-2):79-91
9Nikolaos Tzokas and Michael Saren. Competitive advantagee,knowledge and relationship marketing: where,what & how?[J]. Journal of Business & Industrial Marketing, 2004,19(2):124-135
10Rechard Narmann, Rafael Ramirez. From Value Chain to Value Constellation: Designing Interactive Strategy. Harvard Business Review, 1993(7-8): 65-77
