RIZQI NUR AZIZAH; SUMARWOTO, S.; ANDRIE IRAWAN. Efektivitas Hukum Penggunaan Materai Elektronik (E-Materai) Dalam Perjanjian Jual Beli Online (E-Commerce). Indonesian Journal of Islamic Jurisprudence, Economic and Legal Theory, [S. l.], v. 3, n. 3, p. 2382–2393, 2025. DOI: 10.62976/ijijel.v3i3.1280. Disponível em: https://shariajournal.com/index.php/IJIJEL/article/view/1280. Acesso em: 29 aug. 2026.