AISYAH, Ummu. Preventing Gratuity in Marriage Registration: A Perspective Based on Lawrence M. Friedman’s Theory of Legal Systems. Journal of Indonesian Islamic Studies, [S. l.], v. 6, n. 1, p. 575–586, 2026. DOI: 10.24256/jiis.v6i1.12833. Disponível em: https://ejournal.iainpalopo.ac.id/index.php/jiis/article/view/12833. Acesso em: 7 nov. 2026.