2MICHAEL NOER. One man,one computer,10 million students:how khan academy is reinventing education[EB/OL].http://www.forbes.com/sites/michaelnoer/2012/11 /02/one-man-one computer-10-million-students-how-khan-academy-is-reinventingeducation/,.
3VERONICA PHILLIPS. Lights,camera,learn!: five tips for using video in elearning[EB/OL].http://elearnmag.acm.org/featured.cfm? aid=2206721,.
4SHANTANU SINHA. Motivating Students and the Gamification of Learning[EB/OL].http://www.huffingtonpost.com/shanta nu-sinha/motivating-students-and t b 1275441.html,.