HAYWARD, Philip. Trajection - An Introduction. Perfect Beat, [S. l.], v. 2, n. 4, p. iv-v, 2015. DOI: 10.1558/prbt.v2i4.28765. Disponível em: https://journal.equinoxpub.com/PB/article/view/16772. Acesso em: 17 jul. 2025.