1. Aalen, L. (2002). Ethnic Federalism in a Dominant Party State: The Ethiopian Experience 1991–2000. Chr. Michelsen Institute.
2. Abbink, J. (1997). Ethnicity and Constitutionalism in contemporary Ethiopia. Journal of African Law, 41(2), 159–174.
3. Abbink, J. (2009). The Ethiopian Second Republic and the Fragile “Social Contract.” Afrika Spectrum, 44(2), 3–28.
4. Abbink, J. (2011). Ethnic Federalism and ethnicity in Ethiopia: Reassessing the experiment after 20 years. Journal of African Studies, 5(4), 596–618.
5. Al-Ali, Z. (2014). The Struggle for Iraq’s Future: How Corruption, Incompetence and Sectarianism Have Undermined Democracy. Yale University Press.