ALJUMAEI, Tareq. The Effect of Six Sigma Standards on the Quality of Financial Statements through Internal Auditing as a Mediating Variable (A field Study on commercial banks in city of Sana’a (. Journal of Social Studies, [S. l.], v. 30, n. 4, 2024. DOI: 10.20428/jss.v30i4.2606. Disponível em: https://journals.ust.edu/index.php/JSS/article/view/2606. Acesso em: 30 jan. 2025.