Turk, Murat, Ali Ceyhun Muftuoglu, and Sinem Toraman. “Teaching Presence in Online Courses: Similar Perceptions But Different Experiences from Multiple Instructor Perspectives”. Online Learning 25, no. 4 (December 1, 2021). Accessed April 4, 2026. https://olj.onlinelearningconsortium.org/index.php/olj/article/view/2885.