Walaa Judith Jaff, and Zain Nuri Ismail. “The Role of Marketing Communications in Developing the Performance of Tourism Companies An Analytical Study of a Sample of Employees in Tourism Companies in Erbil City / Kurdistan Region”. The Scientific Journal of Cihan University– Sulaimaniya 3, no. 2 (December 1, 2019): 215-240. Accessed February 12, 2026. https://journal.sulicihan.edu.krd/index.php/sjcus/article/view/497.