Nduru RS, Sufyana CM. Design of Web-Based Incoming and Outgoing Mail Information System at Diskominfo Kabupaten Tapanuli Tengah. Info Sains [Internet]. 2023 Aug. 28 [cited 2026 May 1];13(02):129-36. Available from: https://ejournal.seaninstitute.or.id/index.php/InfoSains/article/view/2790