Ranj Tahir Abdullah, Bazar Nasruddin Majid, and Younis Ali Ahmad. “The Role of Air Transport in Developing Tourism Activity in Sulaymaniyah Governorate for the Period (2005 - 2018) "An Analytical study"”. The Scientific Journal of Cihan University– Sulaimaniya 3, no. 1 (June 1, 2019): 240-262. Accessed February 12, 2026. https://journal.sulicihan.edu.krd/index.php/sjcus/article/view/477.