https://teachingcommons.stanford.edu/course-profiles/flipped
http://vpal.harvard.edu/topics/flipped-classroom
http://www.math.harvard.edu/~knill/pedagogy/flipping/index.html
https://facultyinnovate.utexas.edu/teaching/strategies/flipping
http://news.mit.edu/2014/mooc-sees-its-greatest-impact-classroom-mit-1114
https://cft.vanderbilt.edu/guides-sub-pages/flipping-the-classroom/
http://www.uq.edu.au/teach/flipped-classroom/what-is-fc.html