Defect Removal Efficiency

http://qatestlab.com/resources/knowledge-center/what-is-defect-removal-efficiency-in-software-testing/

https://swtestingconcepts.wordpress.com/test-metrics/defect-removal-efficiency/

https://www.equinox.co.nz/blog/software-testing-metrics-defect-removal-efficiency

https://blog.usenotion.com/defect-removal-efficiency-dre-85d629efa92d

https://xbosoft.com/software-quality-blog/defect-removal-efficiency/