1. “Circuits and electronics,” MITx;Agarwal;Chronicle of Higher Education,2012
2. “Operations management,” Udemy;Allon;Chronicle of Higher Education,2012
3. Student engagement with school: critical conceptual and methodological issues of the construct;Appleton;Psychology in the Schools,2008
4. Baker , C. Taylor , S. L. 2012 The importance of teaching presence in an online course Online student engagement tools and strategies 6 8
5. MOOC pedagogy: gleaning good practice from existing MOOCs;Bali;Journal of Online Learning and Teaching,2014