1. al Madfai, M. R. (1993). Jordan, the United States and the Middle East peace process, 1974–1991. Cambridge University Press.
2. Al-Arian, Ali& Ali Moshin (2017). Palestine: Growing recognition. Al-Jazeera, 15.1.2017. Retrieved July 201, from https://www.aljazeera.com/news/2017/1/15/palestine-growing-recognition.
3. Ali, Sangar. (2018, 11 December). US Secretary of Energy meets senior Kurdish leaders in Erbil after leaving Baghdad. Retrieved July 2021, from https://www.kurdistan24.net/en/news/56a20c49-b25e-496c-8380-e3364c6ba071.
4. Al-Jazeera Investigations (2006). Memo: Distinction between PLO, PA, PNC, PLC. 5.2.2006. Retrieved from July 2021 http://transparency.aljazeera.net/en/projects/thepalestinepapers/201218205949656112.html.
5. Barzani, Masoud. (2021, 7 October). Russian minister of foreign affairs in Kurdistan Region. KRG. Retrieved July 2021, from http://poland.gov.krd/russian-minister-of-foreign-affairs-in-kurdistan-region/.