SAVČUK, Olga. Internal audit efficiency evaluation principles. Journal of Business Economics and Management, [S. l.], v. 8, n. 4, p. 275–284, 2007. DOI: 10.3846/16111699.2007.9636180. Disponível em: https://journals.vilniustech.lt/index.php/JBEM/article/view/7603. Acesso em: 18 may. 2025.