Kocdar, Serpil, Abdulkadir Karadeniz, and Nil Goksel. “Using Facebook for Leveraging Sense of Community in Self-Paced Open and Distance Learning Courses”. International Journal of Emerging Technologies in Learning (iJET) 13, no. 05 (April 30, 2018): pp. 100–116. Accessed January 28, 2022. https://online-journals.org/index.php/i-jet/article/view/8192.