Lapadat, Judith. “Discourse Devices Used to Establish Community, Increase Coherence, and Negotiate Agreement in an Online University Course”. International Journal of E-Learning & Distance Education Revue Internationale Du E-Learning Et La Formation à Distance, vol. 21, no. 3, Jan. 2007, pp. 59-92, https://www.ijede.ca/index.php/jde/article/view/32.