ARRIBE, E. .; AMANDA, D. S.; SULTHONI, I.; SAPUTRA, J. Perancangan Sistem Informasi Absensi Menggunakan Metode Waterfall: Studi Kasus PT Nielsen Company. Journal of Information Technology Ampera, [S. l.], v. 4, n. 3, p. 277–285, 2023. DOI: 10.51519/journalita.v4i3.433. Disponível em: https://www.journal-computing.org/index.php/journal-ita/article/view/433. Acesso em: 4 oct. 2025.