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4. Audit Analytics (AA), 2014. Auditor ratification: an overview of Russell 3000 companies http://www.auditanalytics.com/blog/auditor-ratification-an-overview-ofrussell-3000-companies/.
5. Audit Analytics (AA), 2013. Auditor ratification: shareholders appear content. http://www.auditanalytics.com/blog/auditor-ratification-shareholders-appearcontent/.