SINGGALEN, Yerik Afrianto. Analysis and Design of Natural Spring Water Preservation and Monitoring System Using Rapid Application Development. Journal of Information Systems and Informatics, [S. l.], v. 6, n. 1, p. 118–135, 2024. DOI: 10.51519/journalisi.v6i1.646. Disponível em: https://journal-isi.org/index.php/isi/article/view/646. Acesso em: 7 mar. 2026.