PARAY THEO LONANDO, P. T. L.; FIRDAUS, A.; HAKIM, R. Designing A Web Information System In The Guest Book Using The Waterfall Method At Ikest Muhammadiyah Palembang. Journal Health Applied Science and Technology, [S. l.], v. 2, n. 2, p. 173–177, 2024. DOI: 10.52523/jhast.v2i2.67. Disponível em: https://jhast.ikestmp.ac.id/index.php/jhast/article/view/67. Acesso em: 26 mar. 2026.