4Nonaka Nonaka, I., & Takeuehi, H. The Knowledge Creating Company[M]. New York :Oxford University Press, 1995.
5Davenport, T & L Prusak Working Knowledge. How Organizations Manage What They Know[M]. Boston:Harvard Business School Press, 1998.
6Y.S. Chen, T.C. Kao & J.P. Sheu,A mobile learning system for scaffolding bird watching learning [J]. Journal of Computer Assisted Learning (2003) 19: 347-359.
7Mayer, R. E.(2001). Multimedia Learning[M]. New York: Cambridge University press.