NAINGGOLAN, Agustina; GINTING, Wasit. PMH Express Web-Based Logistics Information System Using the Waterfall Method. Journal of Computers and Informatics (JUCOPI), [S. l.], v. 1, n. 1, p. 30–38, 2025. Disponível em: https://publikasimandiri.org/index.php/copi/article/view/4. Acesso em: 18 apr. 2026.