International Software Testing Qualifications Board. (2026). 欠陥マネジメント（defect management）. ISTQB Glossary. October 10, 2026 に https://istqb-glossary.page/jp/%E6%AC%A0%E9%99%A5%E3%83%9E%E3%83%8D%E3%82%B7%E3%83%A1%E3%83%B3%E3%83%88-defect-management/ から取得.
