Jézégou, Annie. “Presence in E-Learning : Theoretical Model and Perspectives for Research (originally Published in French in Vol. 26(1) )”. International Journal of E-Learning & Distance Education Revue Internationale Du E-Learning Et La Formation à Distance, vol. 26, no. 2, Oct. 2012, https://ijede.ca/index.php/jde/article/view/809.