P.SHARMILA; A.PONMALAR; SKANDA GURUNATHAN. Bus Pass and Ticket automation System. International Journal of Computer Engineering in Research Trends, [S. l.], v. 3, n. 8, p. 389–393, 2016. Disponível em: https://www.ijcert.org/index.php/ijcert/article/view/772. Acesso em: 7 sep. 2026.