Mailing Administration Information System at the Central Semarang District Office. Electro Luceat, [S. l.], v. 8, n. 2, p. 58–66, 2022. DOI: 10.32531/jelekn.v8i2.529. Disponível em: https://jurnal.poltekstpaul.ac.id/index.php/jelekn/article/view/529. Acesso em: 22 apr. 2026.