2Yanfeng Wang,Fengfeng Duan. Study of Personalized Teaching System Based on Web2.0[A]. 2008 International Symposium on Computational Intelligence and Design[C]. IEEE Computer Society, USA,2008.524-525.
3天河部落教育博客[DB/OL].http://www.thjy.org/.
4UC Berkeley Video and Podcasts for Courses & Events[DB/OL]. http://webcast.berkeley.edu/.