1J.Sanghyun,A study on the strategies for improving the accessiblility of the Korea Digital Textbook based UDL guidelines,The journal of Korea association of computer education,vol.12,no.3,(2010),p.65-75.
2National Institute of Science and Technology,The NIST definition of cloud computing,(2011).
3V.William,B.James and B.Rajkumar,Introduction to cloud computing,Buyya,R,Broberg,J,and Goscinski,A,Cloud Computing:Principles and Paradigms.Wiley Press,(2011).
4B.Trilling and C.Fadel,21 Century skill learning life in our times,Jossey-Bass,(2010).
5B.Jonathan,The role of multi-agent social networking systems in ubiquitous education enhancing peer-supported reflective learning,(2010).