4Barua A,Lee B. An economic analysis of the introduction of an electronic data interchange system [ J ]. Information Systems Research, 1997,8 (4) : 398 - 422.
5Fong T, Fowler D, Swatman P. Success and failure factors for implementing effective electronic markets [ J ] . Electronic Markets, 1998,8 ( 1 ) :45 - 47.
6Keeney R. The value of internet commerce to the customer[ J ]. Management Science, 1999, 45 (4) :533 -542.
