1. Transforming Our World: The 2030 Agenda for Sustainable Development,2015
2. The year of the MOOC;Pappano;N. Y. Times,2012
3. About Opencoursewarehttps://ocw.mit.edu/about/milestones/
4. Major Players in the MOOC Universehttp://www.chronicle.com/article/Major-Players-in-the-MOOC/138817
5. Monetization over Massiveness: A Review of MOOC Stats and Trends in 2016https://www.class-central.com/report/moocs-stats-and-trends-2016/