1. Ethnic Federalism and Self-Determination for Nationalities in a Semi-Authoritarian State: The Case of Ethiopia.;International Journal on Minority and Group Rights,2006
2. The End of Democracy? Curtailing Political and Civil Rights in Ethiopia.;Review of African Political Economy,2009
3. Abate, T. 2013, March 30. Ethnic-Based Politics in Ethiopia. Available from: https://www.lawethiopia.com/images/ethnic%20politics%20in%20ethiopia/Ethnic-based-politics.pdf.
4. Ethnic-Based Federalism and Ethnicity in Ethiopia: Reassessing the Experiment After 20 Years.;Journal of Eastern African Studies,2011