International Software Testing Qualifications Board. (2026). 데이터 흐름(data flow). ISTQB Glossary. Retrieved October 10, 2026, from https://istqb-glossary.page/kr/%E1%84%83%E1%85%A6%E1%84%8B%E1%85%B5%E1%84%90%E1%85%A5-%E1%84%92%E1%85%B3%E1%84%85%E1%85%B3%E1%86%B7-data-flow/.
