Abdul Ghafoor Ali Al-Hadithi, .Karami 2020. Evaluation of topographical impacts on access to urban nodes in Dohuk Governorate Using Geographic Information Systems G.I.S. Adab Al-Rafidayn. 50, 82.1 (Oct. 2020), 357–369. DOI:https://doi.org/10.33899/radab.2020.167043.