Shnabel, Nurit, and Johannes Ullrich. “Increasing Intergroup Cooperation Toward Social Change by Restoring Advantaged and Disadvantaged Groups’ Positive Identities”. Journal of Social and Political Psychology 1, no. 1 (December 16, 2013): Article e4751. Accessed May 2, 2026. https://jspp.psychopen.eu/index.php/jspp/article/view/4751.