Ucar, Hasan, and Nil Göksel. “Enhancing Online EFL Learners’ Motivation and Engagement through Supplementary Activities on Facebook”. Asian Journal of Distance Education 15, no. 1 (June 4, 2020): 154-168. Accessed May 18, 2024. http://www.asianjde.com/ojs/index.php/AsianJDE/article/view/445.