3Choe,H.&Kim,T.(2005).An Enhanced LTSA ModelProviding Contextual Knowledge for Intelligent e-LeamingSystems[J].Journal of Information Science and Engineering,(21):849-858.
4DeWaard,I.,Koutropoulos A.&Keskin N.O.et al.(2011).Exploring the MOOC Format as a Pedagogical Approach forMlearning[DB/OL].[2013-04-01].http://mleam.bnu.edu.cn/source/ten_outstanding_papers/Exploring% 20the% 20MOOC%20format% 20as% 20a% 20pedagogical% 20approach% 20for%20mLeaming.pdf.
5IEEE1484.1(2003).IEEE Standard for Learning Technology-Learning Technology Systems Architecture (LTSA)[S].
6MacknessJ.,Mak,SF.J.&Williams,R.(2010).TheIdealsand Reality of Participating in a MOOC[DB/OL].[2013-04-01].http://www.lancs.ac.uk/fss/organisations/netlc/past/nlc2010/abstracts/Mackness.html.
