8Normann, Richard, Rafael Ram. From Value Chain to Value Constellation: Designing Interactive Strategy [ J ]. Harvard Business Review, 1993, 71(4) : 65 -77.
9James F. Moore.. Business Ecosystem and the View from the Firm [ J ]. Auti -trust Bulletin ,2006, 51 (1) : 102 -118.
10Verna Allee. Value Network Analysis and Value Conversion of Tangible and Intangible Assets [ J ]. Journal of InteUectual Capital, 2008, 9 ( 1 ) : 5 - 24.