RADJAWANE, Yavia Auditia; KURNIAWATI, Elisabeth Penti. Evaluation of internal control in business systems using COSO framework: A case study of a barbershop business in Ambon City. Transformasi: Jurnal Pengabdian Masyarakat, [S. l.], v. 20, n. 2, p. 389–400, 2024. DOI: 10.20414/transformasi.v20i2.11192. Disponível em: https://journal.uinmataram.ac.id/index.php/transformasi/article/view/11192. Acesso em: 22 apr. 2026.