Wang, Qinyu, Weijie Yu, Wei Wang, and Xuedong Hua. “Towards Intercity Mobility System – Insights into the Spatial Interaction Gravity Model and Determination Approach”. Promet - Traffic&Transportation 36, no. 2 (April 30, 2024): 326–344. Accessed June 22, 2024. https://traffic2.fpz.hr/index.php/PROMTT/article/view/414.