1. Comparative Research on Urban Political Conflict: Policy Amidst Polarization
2. M. H. Ali, and M. S. Sulaiman, The causes and consequences of the informal settlements in Zanzibar. In XXIII Congress of the International Federation of Surveyors, Munich, Germany, Retrieved from (2006, October). https://www.fig.net/resources/proceedings/fig_proceedings/fig2006/papers/ts35/ts35_01_ali_sulaiman_0320.pdf.
3. U. N. Habitat, Planning sustainable cities: Global Report on Human Settlements. 2009. Nairobi: UN Habitat. International/Doxiadis Associates-Consultants. (1975). Kirkuk Master Plan Report Prepared for the Ministry of Municipalities of the Government of Republic of Iraq
4. Policing after ethnic conflict
5. E. Ferris, and K. Stoltz, The future of Kirkuk: the referendum and its potential impact on displacement (2008). The Brookings Institution, 3.