Lüders, Adrian, Karolina Urbanska, Robin Wollast, Armelle Nugier, and Serge Guimond. “Bottom-up Populism: How Relative Deprivation and Populist Attitudes Mobilize Leaderless Anti-Government Protest”. Journal of Social and Political Psychology 9, no. 2 (October 18, 2021): Article e7349. Accessed May 26, 2026. https://jspp.psychopen.eu/index.php/jspp/article/view/7349.