Penilaian Kualitas Layanan Dan Keamanan SIULAN MASTER Dengan Pendekatan Audit Observasional. Sistematis, [S. l.], v. 2, n. 1, p. 39–46, 2025. DOI: 10.69533/0m7vrz38. Disponível em: https://ejournal.rizaniamedia.com/index.php/sistematis/article/view/335.. Acesso em: 2 nov. 2025.