ALBAB, . M. U. .; AGUSTINA, I. F. . Digital Official Letter Management Using E-Buddy Sidoarjo Application: Pengelolaan Surat Resmi Digital Menggunakan Aplikasi E-Buddy Sidoarjo. Indonesian Journal of Law and Economics Review, [S. l.], v. 19, n. 4, p. 10.21070/ijler.v19i4.1188, 2024. DOI: 10.21070/ijler.v19i4.1188. Disponível em: https://ijler.umsida.ac.id/index.php/ijler/article/view/1279. Acesso em: 6 dec. 2025.