4Larry Downes, Chunka Mui. Unleashing the Killer App: Digital Strategies for Market Dominance. Harvard Business School Press .2000: 66 - 68.
5Weijun Wang, Jing Sun. Web2.0 Architecture Evolves Innovation of Enterprise IRM. Proceedings of the Sixth Wuhan International Conference on Electronic Business: Management Challenges in a Global World. Alfred University Press,2007:3082- 3087.