PUTRI, S. D. C. .; HARAHAP, M. K. . DIGITAL ARCHIVING APPLICATION IN AND OUT LETTER. Jurnal Mantik, [S. l.], v. 6, n. 2, p. 2360-2368, 2022. DOI: 10.35335/mantik.v6i2.2896. Disponível em: https://iocscience.org/ejournal/index.php/mantik/article/view/2896. Acesso em: 25 may. 2026.