Radjawane, Yavia Auditia, and Elisabeth Penti Kurniawati. 2024. “Evaluation of Internal Control in Business Systems Using COSO Framework: A Case Study of a Barbershop Business in Ambon City”. Transformasi: Jurnal Pengabdian Masyarakat 20 (2):389-400. https://doi.org/10.20414/transformasi.v20i2.11192.