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8Mendi Benigni. Reverse Classroom-changing Your Course Delivery in Exchange for Mastery [EB/OL]. [2012-05-01].http://blogs.cofc. edu/tlt/2010/10/20/reverse -classroom -% E2% 80% 93 -changing - your-course-delivery-in-exchange-for-mastery/.
9Sarah D. Sparks. Lectures Are Homework in Schools Following Khan Academy Lead. [EB/OL]. [2012 -08 - 15].http ://www.edweek.org/ew/ articles/2011/09/28/05khan_ep.h31 .html.
10Bergmann J. & Sams A. (March,2012). The Flipped Class:What it is and What it is Not. http://www.thedailyriff.com/articles/the -flipped -class -conversa-tion-6$9.php.