Yusman Y, Rian Putra R, Sinaga I. Implementation of a Web-Based Outgoing Letter Application to Enhance Administrative Efficiency in Pertumbukan Village, Wampu District. Jurnal Install [Internet]. 2024 Nov. 30 [cited 2026 Apr. 16];16(04):20-6. Available from: https://journalinstal.cattleyadf.org/index.php/Instal/article/view/276