PURBA, Nur Alfi Sahrin; ABDULLAH, Dahlan; ULA, Mutammimul. Aplikasi Sistem Informasi E-Letter dalam Upaya Mengelola Surat Menggunakan Metode Prototype Berbasis Mobile. Empiricism Journal, [S. l.], v. 6, n. 3, p. 1268–1280, 2025. DOI: 10.36312/ej.v6i3.3091. Disponível em: https://journal-center.litpam.com/index.php/empiricism/article/view/3091. Acesso em: 29 jan. 2026.