HENGKI GUNAWAN; BARANY FACHRI; FAHMI KURNIAWAN. Designing a Web-Based Management Information System for Incoming and Outgoing Mail at the Public Welfare Bureau of the North Sumatra Provincial Secretariat. International Journal of Health Engineering and Technology, [S. l.], v. 4, n. 3, 2025. DOI: 10.55227/ijhet.v4i3.348. Disponível em: https://afdifaljournal.com/journal/index.php/ijhet/article/view/348. Acesso em: 28 may. 2026.