SAKTHIVEL, K.; RAGHUL, B.; RAGHUL, E. Traffic sign recognition system using CNN and Keras. International journal of health sciences, [S. l.], v. 6, n. S4, p. 4986–4994, 2022. DOI: 10.53730/ijhs.v6nS4.9226. Disponível em: https://sciencescholar.us/journal/index.php/ijhs/article/view/9226. Acesso em: 10 oct. 2025.