INTERNAL CONTROL SYSTEMS AND FINANCIAL PERFORMANCE OF COMMERCIAL BANKS IN PERTH, AUSTRALIA. African Journal of Emerging Issues, [S. l.], v. 5, n. 15, p. 13–24, 2023. Disponível em: https://ajoeijournal.org/sys/index.php/ajoei/article/view/488. Acesso em: 30 oct. 2025.