1. Aalen, L. 2014. Ethiopian State Support to Insurgency in Southern Sudan from 1962 to 1983: Local, Regional and Global Connections. Journal of Eastern African Studies 8 (4): 626–641.
2. Aaron, Tesfaye. 2019. China-Ethiopia Relations and the Horn of Africa. ISPI, September 20. https://www.ispionline.it/en/publication/china-ethiopia-relations-and-horn-africa-23968.
3. Abbink, J. 2021. The Atlantic Community Mistake on Ethiopia: Counter-Productive Statements and Data-Poor Policy of the EU and the USA on the Tigray Conflict. The Netherlands: African Studies Centre Leiden, Working Paper 150 / 2021, 2nd edition.
4. Addis Standard. 2021. Analysis: Amhara State President Says Region Foils Attack by “Radical Kimant Rebels” and “T.P.L.F.-Trained Samri Group” Through Border with Sudan; Claim Adds New Dynamic to the Conflict. September 3. https://addisstandard.com/analysis-amhara-state-president-says-region-foils-attack-by-radical-kimant-rebels-and-t-p-l-f-trained-samri-group-through-border-with-sudan-claim-adds-new-dynami/.
5. Al Jazeera. 2021. Sudan and Ethiopia Trade Barbs Over Border Dispute. February 20. Retrieved from https://www.aljazeera.com/news/2021/2/20/sudan-and-ethiopia-trade-barbs-over-border-dispute