Ko, Joonho, Daejin Kim, Heung G. Sin, and Seungjae Lee. “The Efficiency of Vehicle Monitoring Locations for a Voluntary Travel Demand Management Program”. Transport 29, no. 3 (September 30, 2014): 326–333. Accessed December 22, 2024. https://journals.vilniustech.lt/index.php/Transport/article/view/2004.