IRNAWATI, Oky; NUGRAHA, Indra Kristian. Penerapan Metode Waterfall dalam Perancangan Sistem Absensi Online untuk Pegawai Yayasan SD Islam Assa???adah. JURNAL TEKNIK INFORMATIKA UNIS, [S. l.], v. 10, n. 1, p. 97–108, 2022. DOI: 10.33592/jutis.v10i1.2376. Disponível em: https://ejournal.unis.ac.id/index.php/jutis/article/view/2376. Acesso em: 27 apr. 2026.