[1]
B. Sameephet, K. Poonpon, N. Pradutshon, and W. Chansanam, “Automated Vocabulary Profiling of TOEIC Listening Materials: A CEFR-Aligned Approach for EFL Learners”, HighTech. Innov. J., vol. 6, no. 3, pp. 991–1012, Sep. 2025.