Bozkurt, Aras, Ela Akgün-Özbek, and Olaf Zawacki-Richter. 2017. “Trends and Patterns in Massive Open Online Courses: Review and Content Analysis of Research on MOOCs (2008-2015)”. The International Review of Research in Open and Distributed Learning 18 (5). https://doi.org/10.19173/irrodl.v18i5.3080.