3[3]Geoff Easton, Luis Aranjo. Evaluating the Impact of B2B E-commerce: a Contingent Approach[J]. Industrial Marketing Management, 2003(32): 431～439
4[4]Mitrabarun Sarkar, Brian Butler, Charles Steinfield. Cybermediaries in Electronic Marketspace: Toward Theory Building[J]. Journal of Business Research, 1998(41): 215～221
5[5]Troy J Strader, Michael J Shaw. Characteristics of Electronic Markets[J]. Decision Support Systems, 1997(21): 185～198
