Agnew, John, and Michael Shin. “The Fragile Blue Wall: Analyzing Geographies of the 2020 US Presidential Election”. Italian Journal of Electoral Studies (IJES) 84, no. 1 (July 20, 2021): 31–44. Accessed November 21, 2024. https://oaj.fupress.net/index.php/qoe/article/view/10161.