7BARNES S J. The mobile commerce value chain: analysis and future developments [J]. International Journal of Information Management, 2002, 22:91 -108.
8TSALGATIDOU A, PITOURA E. Business models and transactions in mobile electronic commerce: requirements and properties [ J ]. Computer Networks, 2001, 37 : 221 -236.
9LEEM C S, SUH H S, KIM D S. A classification of mobile business models and its applications [ J ]. Industrial Management & Data Systems, 2004, 104 (1/2): 78-87.