TUMANG, Bryan John. The SIM Registration Legislation in Enhancing Mobile Security against Cyber Threats. International Journal of Multidisciplinary: Applied Business and Education Research, Malang, Indonesia, v. 6, n. 2, p. 621–629, 2025. DOI: 10.11594/ijmaber.06.02.17. Disponível em: https://ijmaberjournal.org/index.php/ijmaber/article/view/2083. Acesso em: 24 jan. 2026.