8CROUCH C H, MAZUR E. Peer Instruction: Ten years of experience and results [J]. American Journal of Physics, 2001, 69(9): 970.
9Sams,A.,Bennet,B..The truth about flipped learning[OL].<http://gsehd.gwu.edu/documents/users/juliestella/the-truth-about-flippded- 1.pdf.>.
10Downes,S..Places to go:Connectivism&connective knowledge[OL].[2008].<http://www.innovateonline.info/pdf/vol5_issuel/Plavces to Go Connectivism & Connective_Knowledege.pdf.>.
