3Flipping the classroom:hopes that the internet can im- prove teaching may at last be bearing fruit.Sep 17th,2011.http: //www.economist.com/node/21529062.
4Key questions you should ask before you flip your class.April 15,2013.http://flipped-learning.com/?p= 1268.
5Alan November. & Brian Mull. Flipped learning: A response to five common criticisms [EB/OL]. http://www.eschoolnews.com/2012/03/ 26/flipped-learning-a-response-to-five-eommon-criticisms/ 2012-03 -26.
6Greg Green. Answers to your 'flipped school' questions [EB/OL]. http://www.icyte.com/saved/schoolsufthought.blogs.cnn.com/558779 , 2012-07-04.
7Aaron Sams. & Jonathan Bergmann. Flip Your Students Learning [J].Educational Leadership, 2013.(3): 16-20.
8Fuhon, Kathleen. Upside Down and Inside Out: Flip Your Class- room to huprove Student Learning [J]. Learning & Leading with Tech- nology, 2012(6):12-17.
9Aaron Sams. & Brian Bennett. The truth ahout flipped learning [EB/OL]. http://www.eschoolnews.com/2012/05/31/the-truth-about- flipped-learning/, 2012-5-31.
10Eschoolnews .Why Khan Academy is so popular--and why teachers shouldn' t feel threatened [EB/OL]. http://www.eschoolnews.com/ 2012/04/23/why-khan-aeademy-is-so-popular% E2% 80% 94and-why-teachers-shouldnt-feel-threatened/, 2012-4-23.
