5Teece, D. ( 1986 ). Profit from technological innovation [J]. Research Policy, 15 (6) : 286 -305.
6Croom, S.R. (2005). The impact of e-business on supply chain management : an empirical study of key developments [ J ]. Inter- national Journal of Operations & Production Management, 25 ( 1 ) : 55 - 73.
7Harrington and L H. (2000). Supply chain execution in the intemet era [J]. Transportation & Distribution, 1 : 36 -40.
8Lieb, R.C. (2002). The use of 3PL services: the 2002 survey [J]. Logistics Management, 42 (1) : 16.