HAYWARD, Philip. Traffic: An Introduction. Perfect Beat, [S. l.], v. 2, n. 3, p. vii-viii, 2015. DOI: 10.1558/prbt.v2i3.28775. Disponível em: https://journal.equinoxpub.com/PB/article/view/16802.. Acesso em: 16 may. 2024.