1. National Institute of Technology, Japan, What is KOSEN?, http://www.kosen-k.go.jp/english/what-idx.html , 2008.
2. Inverting the classroom: A gateway to creating an inclusive learning environment;Lage;The Journal of Economic Education,2000
3. Flip Your Classroom: Reach Every Student in Every Class Every Day.;Bergmann,2012
4. Khan Academy. “Khan Academy”. https://www.khanacademy.org/, 2006. .
5. Active learning: Creating excitement in the classroom;Bonwell,1991