PRAJA, Arijal Bela; DARMANSAH, Darmansah; WIJAYANTO, Sena. Sistem Informasi Pencatatan Surat Masuk dan Surat Keluar Berbasis Website Menggunakan Metode Waterfall. Jurnal Sistem Komputer dan Informatika (JSON), [S. l.], v. 3, n. 3, p. 273–282, 2022. DOI: 10.30865/json.v3i3.3914. Disponível em: https://ejurnal.stmik-budidarma.ac.id/index.php/JSON/article/view/3914. Acesso em: 10 dec. 2025.