1. Andrew, J., Blackburn, A., and Sirkin, H., 2000, The B2B Opportunity, Creating Advantage through E-Marketplaces . Boston, MA: The Boston Consulting Group.
2. Bouwman, H., 1999, E-commerce: Cyber- and physical environments. Electronic Markets , Vol. 9, No. 1/2, 58-64.
3. Choi, J. S., 2003, Public B2B Electronic Marketplaces: A Spatial Perspective. Ph.D dissertation, Department of Geography, College of Social Sciences, Seoul National University, Korea.
4. Coppel, J., 2000, E-Commerce: Impacts and Policy Challenges. ECO/WKP(2000) 25 . Paris, France: Organisation for Economic Co-operation and Development.
5. Daniel, E. and Klimis, G. M., 1999, The impact of electronic commerce on market structure: An evaluation of the electronic market hypothesis. European Management Journal , Vol. 17, No. 3, 318-325.