3Sams,A.,Bennet,B..The truth about flipped learning[OL].<http://gsehd.gwu.edu/documents/users/juliestella/the-truth-about-flippded- 1.pdf.>.
4Downes,S..Places to go:Connectivism&connective knowledge[OL].[2008].<http://www.innovateonline.info/pdf/vol5_issuel/Plavces to Go Connectivism & Connective_Knowledege.pdf.>.
5Barnes,C..MOOCs:The Challenges for academic librarians[J].Australian Academic &Research Libraries,2013 (ahead-of-print):1-13.
6Cooper,S.,Sahami,M..Reflections on Stanford's MOOCs[J].Communications of the ACM,2013,56(2):28-30.