Kahan, Tali, Tal Soffer, and Rafi Nachmias. “Types of Participant Behavior in a Massive Open Online Course”. The International Review of Research in Open and Distributed Learning 18, no. 6 (September 25, 2017). Accessed November 22, 2024. https://www.irrodl.org/index.php/irrodl/article/view/3087.