Zhang, Lihui, Huiyuan Liu, and Daniel J. Sun. “Comparison and Optimization of Cordon and Area Pricings for Managing Travel Demand”. Transport 29, no. 3 (September 30, 2014): 248–259. Accessed November 9, 2024. https://jbem.vgtu.lt/index.php/Transport/article/view/1997.