Harahap, R., Muhammad Fadiga, Fadhli Rizqi Haidar Pane and Muhammad Siddik Hasibuan 2024. Rapid application development model in the development of letter archiving information system. Jurnal CoSciTech (Computer Science and Information Technology). 4, 3 (Jan. 2024), 696-705. DOI:https://doi.org/10.37859/coscitech.v4i3.6267.