WIDYASTUTI, T. Iso Series Certification System on The Financial Performance and Performance. Atestasi : Jurnal Ilmiah Akuntansi, [S. l.], v. 5, n. 2, p. 556–566, 2022. DOI: 10.57178/atestasi.v5i2.487. Disponível em: https://jurnal.feb-umi.id/index.php/ATESTASI/article/view/487. Acesso em: 27 jul. 2025.