7Benjamin, R. I., &Wigand, R. T., Electronic Markets and Virtual Value Chains on the Information Superhighway [ J ].Sloan Management Review, 1995, ( 10).
8Kaplan, S. and M. Sawhney. Ehubs: The new B2B marketplaces[J]. Harvard Business Review, 2000,(5) : 97-103.
9Mahadevan, B. Business models for intemet - based E -Commerce[J]. California Management Review. 2000,42(4) :55 - 69.