The effect of internal control environment on operational risk of quoted banks in Nigeria. International Journal of Scientific Research and Management (IJSRM), [S. l.], v. 7, n. 08, p. 1293–1299, 2019. DOI: 10.18535/ijsrm/v7i8.em04. Disponível em: https://ijsrm.net/index.php/ijsrm/article/view/2321.. Acesso em: 6 may. 2024.