6[6]Cook,J.(2006).Beyond formal learning:Informal community eLearning[J].Computers & Education,43(1-2):35-47.
7[7]Dahlman,C.(2007) Enhancing China's Competitiveness Through Lifelong Learning[M].Washington DC:The World Bank,2007.
8[8]Dinevski,D.(2004).The Concepts of University Lifelong Learning Provision in Europe[J].Transition Studies Review,11(3):227-235.
9[9]Donald,M.(2006).The Collaborative Process of Developing a Learning Object[A].Proceedings of the Fifth IASTED International Conference on Web-based Education[C].2006:337-342.