Liu, Zhiyuan, Nirajan Shiwakoti, and Yiming Bie. “Measuring the Public Acceptance of Urban Congestion-Pricing: A Survey in Melbourne (Australia)”. Transport 33, no. 4 (December 5, 2018): 902-912. Accessed February 23, 2025. https://btp.vilniustech.lt/index.php/Transport/article/view/142.