Nguyen Thi Khanh An and Tran Trong Thanh 2026. EXAMINING CEFR READING COMPREHENSION TEXT COMPLEXITY IN VIETNAM’S 2025 NATIONAL ENGLISH EXAM. HNUE Journal of Science: Journal of Educational Science. 71, 4 (Jun. 2026), 57–66. DOI:https://doi.org/10.18173/2354-1075.2026-0057.