Factors Determining Internal Audit Effectiveness: Empirical Evidence from Large Manufacturing Companies in Tigray, Ethiopia. Raya Journal of Science and Development, [S. l.], v. 1, n. 01, 2025. DOI: 10.82489/rjsd.2025.1.01.17. Disponível em: https://rayajsd.org/index.php/rjsd/article/view/17. Acesso em: 30 jan. 2026.