3AryaA. The Bright Side of Supplier Encroachment[J].Marketing Sci-ence,2007, 26(5).
4HangjungZo,Ramamurthy,K. Consumer Selection of E-commerceWeb Sites in a B2C Environment: a Discrete Decision Choice Model[JJ.IEEE Transactions on Systems, Man and Cybernetics, Part A (Sys-tems and Humans),2009,39(4).