IRWAN GUNAWAN; FADILLA MAHARANI PUTRI; ARMANSYAH. Outgoing Letter Approval System at Class I Climatology Stations in North Sumatra Using the Prototype Method. Journal of Information Systems and Technology Research, [S. l.], v. 3, n. 1, p. 10–19, 2024. DOI: 10.55537/jistr.v3i1.719. Disponível em: https://journal.aira.or.id/index.php/jistr/article/view/719. Acesso em: 3 aug. 2025.