9Kevin Zhu, Kenneth L Kraemer. Post - Adoption Variations in Usage and Value of E - business by Organizations: Cross - Country Evidence from the Retail Industry [ J ]. Information Systems Research ,2005,16( 1 ) :61 - 84.
10Chwelos P, Benasat L, Dexter A S. Research Report: Empirical Test of an EDI Adoption Model [ J ]. Information Systems Research, 2001, 12(3) : 304 -321.