Shortall, Ruth, Niek Mouter, and Bert Van Wee. “COVID-19 and Transport. A Review of Factors of Relevance to the Design of Measures and Their Effects Worldwide”. European Journal of Transport and Infrastructure Research 22, no. 1 (March 24, 2022): 118–130. Accessed June 20, 2024. https://journals.open.tudelft.nl/ejtir/article/view/5597.