Thormann, Joan, Samuel Gable, Patricia Seferlis Fidalgo, and George Blakeslee. “Interaction, Critical Thinking, and Social Network Analysis (SNA) in Online Courses”. The International Review of Research in Open and Distributed Learning 14, no. 3 (July 5, 2013): 294–318. Accessed April 24, 2024. https://www.irrodl.org/index.php/irrodl/article/view/1306.