International Auditing Standard (ISA) 220: Quality Control for Audits of Historical Financial Information and the performance of the External Auditor. Rev. Geon [Internet]. 2018 Jan. 1 [cited 2026 Sep. 8];5(1):31-4. Available from: https://ojs35-pruebas.metarevistas.org/index.php/geon/article/view/11