Accounting achievement and its impact on the measurement of operational efficiency: Applied research in the company of refineries Center / Al-Doura refinery. Journal of Accounting and Financial Studies ( JAFS ), [S. l.], v. 14, n. 46, p. 81–93, 2019. DOI: 10.34093/jafs.v14i46.393. Disponível em: https://jpgiafs.uobaghdad.edu.iq/index.php/JAFS/article/view/393.. Acesso em: 30 apr. 2024.