A HELMET GUARDIAN: SMART WAY TO LOCK. International Journal of Engineering Research and Science & Technology, [S. l.], v. 22, n. 1, p. 14–18, 2026. DOI: 10.62643/ijerst.2026.v22.n1.pp14-18. Disponível em: https://ijerst.org/index.php/ijerst/article/view/1685. Acesso em: 13 mar. 2026.