Rusdi P, Sari E, Firmansyah F. Unregistered Marriage (Nikah Siri) Practices Among Coastal Communities: An Islamic Legal Review and Social Impact on the Protection of Women’s Rights in Sumenep Regency. Al-Mujtama. J. Islamic. Law. Society. 2026;1(1):1-9. doi:10.54625/mjils.v1i1.1