Impact of Effectiveness and Efficiency of Internal Audit on Improving Financial Performance: A Field Study in Banks Operating in Yemen. Journal of Social Studies, [S. l.], v. 25, n. 4, p. 57–82, 2019. DOI: 10.20428/jss.v25i4.1594. Disponível em: https://journals.ust.edu/index.php/JSS/article/view/1594. Acesso em: 4 apr. 2025.