1. AMR, 1998. Are We Moving From Buyer and Seller to Collaborators? SCM Report, American Manufacturing Research Inc
2. Ariba, 2000. B2B Marketplaces in the New Economy. Research Report (Downloadable from website http://www.ariba.com/com_plat/white_paper_form.cfm)
3. Online auctions start to pick up stream;Baatz;Purchasing Magazine,1999
4. An exploratory study of the emerging role of electronic intermediaries;Bailey;International Journal of Electronic Commerce,1997
5. A strategic analysis of EM;Bakos;MIS Quarterly,1991