sabeeh lazim al kabi, Auday. “Using the Projection Gradient Model To Predict Tourist Demand in Iraq Except for the Kurdistan Region”. International Journal of Psychosocial Rehabilitation 24, no. 3 (May 31, 2020): 5390–5402. Accessed May 20, 2025. https://www.psychosocial.com/index.php/ijpr/article/view/4102.