APRIANA, V.; SIFA FAUZIAH. Applying Waterfall Method on Sales Information System. Jurnal Mantik, [S. l.], v. 5, n. 2, p. 820-826, 2021. DOI: 10.35335/mantik.Vol5.2021.1380.pp820-826. Disponível em: https://iocscience.org/ejournal/index.php/mantik/article/view/1380. Acesso em: 19 apr. 2024.