1. Assessing writing in MOOCs: Automated essay scoring and calibrated peer review;Balfour;Research & Practice in Assessment,2013
2. Caulfield, Michael. (2013). xMOOC communities should learn from cMOOCs. Educause. Retrieved from http://www.educause.edu/blogs/mcaulfield/xmooc-communities-should-learn-cmoocs.
3. DeWitt, Scott Lloyd & Cohen, Michelle (2013). The WEx training guide. Retrieved from https://spark-public.s3.amazonaws.com/writing2/resources/wextrainingguide.pdf.
4. Experience and education;Dewey,1997
5. Democratizing higher education: Exploring MOOC use among those who cannot afford a formal education;Dillahunt;International review of research in open and distance learning,2014