PRASETYO, Ekkal; PUTRA, Ade. Implementasi Waterfall Model Dalam Pengembangan Sistem Informasi Eksekutif Penduduk. Journal of Information Systems and Informatics, [S. l.], v. 3, n. 1, p. 213–224, 2021. DOI: 10.33557/journalisi.v3i1.121. Disponível em: https://www.journal-isi.org/index.php/isi/article/view/121. Acesso em: 7 mar. 2026.