3Morris, M., Schindehutte, M., Allen, J. The entrepreneur' s business model:toward a unified perspective. Journal of Business Research, 2003,58( 1 ) :726-735.
4Rappa,M. The Utility Business Model and the Future of Computing Services. IBM Systems Journal,2004,43( 1 ) :32-42.
5Stewart,D.W. and Zhao,Q. Internet marketing,business models, and public policy. Journal of Public Policy & Marketing, 2000,19(3) :287-296.
