Ferrara, Emilio, Herbert Chang, Emily Chen, Goran Muric, and Jaimin Patel. “Characterizing Social Media Manipulation in the 2020 U.S. Presidential Election”. First Monday 25, no. 11 (October 19, 2020). Accessed November 24, 2020. https://firstmonday.org/ojs/index.php/fm/article/view/11431.