Nguyen, Quoc Khanh, et al. “TEXTUAL COMPLEXITY IN VIETNAM’S POST-REFORM ENGLISH EXAMS: A 2025–2026 CORPUS COMPARISON”. JOURNAL OF INQUIRY INTO LANGUAGES AND CULTURES, vol. 10, no. 2, Aug. 2026, pp. 242-56, https://doi.org/10.63506/jilc.1002.454.