Khodabandelou, Rouhollah, Muhammad Ahmad, and Hoda Sadat Mohseni. “A Comparative Study of Social Presence in Different Blended Learning Environments”. World Journal on Educational Technology: Current Issues 15, no. 2 (April 26, 2023): 235–246. Accessed November 24, 2024. https://un-pub.eu/ojs/index.php/wjet/article/view/8649.