1. ACLED. (2020). Armed conflict location and event data project. Extremist Groups. https://acleddata.com/
2. Addison, T. (2004). Globalization, economic development and human rights. https://www.wider.unu.edu/publication/human-rights-and-globalization
3. Alizadeh, M., Coman, A., Lewis, M., & Cioffi-Revilla, C. (2014). Intergroup conflict escalation leads to more extremism. Journal of Artificial Societies and Social Simulation, 17(4). https://ssrn.com/abstract=2830317
4. Allam, H. (2019). ‘We were blindsided’: Families of extremists form group to fight hate. National Public Radio, 12.
5. Allport, G. (1954). The nature of prejudice. Addison-Wesley.