Don Pan, Bing. “Forecasting Tourist Visitor by System Dynamics Analysis A Case Study in Iran”. International journal of industrial engineering and operational research 5, no. 4 (November 3, 2023): 24-33. Accessed June 4, 2026. https://bgsiran.ir/journal/ojs-3.1.1-4/index.php/IJIEOR/article/view/61.