CLAUDIA, Gavrilla; WELLA, Wella. ISO 27000 and KAMI Index: PT XYZ (Travel Agent). Ultima InfoSys : Jurnal Ilmu Sistem Informasi, [S. l.], v. 14, n. 1, p. 32–39, 2023. DOI: 10.31937/si.v14i1.3195. Disponível em: https://ejournals.umn.ac.id/index.php/SI/article/view/3195. Acesso em: 5 aug. 2025.